Question

If 8, x, 48, and 18 are in proportion then find the value of x.

Answer 1

Given: 8, x, 48, and 18 are in proportion i.e. 8 : x :: 48 : 18

So, $\frac{8}{x}=\frac{48}{18}\Rightarrow x=18\times \frac{8}{48}\Rightarrow x=3$