# Missing Number Average Calculator

Online missing average calculator to find the missing number in a series in order to obtain a certain average. For example, what should be the 4th number in the series 75, 85, 76 in order to attain an average score of 72. The unknown score (X) can be calculated from the formula, Average=(Sum of given numbers + Unknown score (X))/Total Numbers. In the below missing number average calculator enter the series and the desired average and calculate to find the unknown score (X).

## Missing Average Calculator

Online missing average calculator to find the missing number in a series in order to obtain a certain average. For example, what should be the 4th number in the series 75, 85, 76 in order to attain an average score of 72. The unknown score (X) can be calculated from the formula, Average=(Sum of given numbers + Unknown score (X))/Total Numbers. In the below missing number average calculator enter the series and the desired average and calculate to find the unknown score (X).

Code to add this calci to your website

#### Formula:

Missing Number = (Average x N) - (n_{1} + n_{2} + n_{3} +...)
**Where,**
n_{1}, n_{2}, n_{3}, ....= Data
N = Total Numbers

#### Missing Number Average Calculation

Find the missing number of the series 54, 32, 11,___ whose mean is 45.

= (45 x 4) - (54+32+11)

= 83