Finding the Fourth Proportional to 9.62, 14.42 and 6
Calculator
Solution
The fourth proportional to 9.62, 14.42 and 6 is: 9.00
Step by Step Solution
- Step 1: Write the proportion equation
9.62 : 14.42 = 6 : x - Step 2: Convert to fraction form
9.62/14.42 = 6/x - Step 3: Cross multiply
9.62x = 14.42 × 6 - Step 4: Simplify right side
9.62x = 86.49 - Step 5: Solve for x
x = 86.49/9.62 - Step 6: Final answer
x = 9.00
Related Problems
Find fourth proportional to 4.81, 7.21 and 3
Half scale
Find fourth proportional to 19.23, 28.83 and 12
Double scale
Find fourth proportional to 10.62, 15.91 and 7
Similar ratio
Find fourth proportional to 14.42, 21.62 and 9
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.