Finding the Fourth Proportional to 11,142, 16,713 and 2,934
Calculator
Solution
The fourth proportional to 11,142, 16,713 and 2,934 is: 4,401
Step by Step Solution
- Step 1: Write the proportion equation
11,142 : 16,713 = 2,934 : x - Step 2: Convert to fraction form
11,142/16,713 = 2,934/x - Step 3: Cross multiply
11,142x = 16,713 × 2,934 - Step 4: Simplify right side
11,142x = 49,035,942 - Step 5: Solve for x
x = 49,035,942/11,142 - Step 6: Final answer
x = 4,401
Related Problems
Find fourth proportional to 5,571, 8,356.50 and 1,467
Half scale
Find fourth proportional to 22,284, 33,426 and 5,868
Double scale
Find fourth proportional to 11,143, 16,714.50 and 2,935
Similar ratio
Find fourth proportional to 16,713, 25,069.50 and 4,401
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.