# What is the solution to the proportion 8/x = 5/10?

May 2, 2015

The answer is $x = 16$.

Solve the proportion $\frac{8}{x} = \frac{5}{10}$

Cross multiply.

$5 \cdot x = 8 \cdot 10$ =

$5 x = 80$ =

Divide both sides by $5$.

$\frac{\cancel{5} x}{\cancel{5}} = \frac{80}{5}$ =

$x = 16$