Home / 20,737.43-31,082.85-8,254.04

Finding the Fourth Proportional to 20,737.43, 31,082.85 and 8,254.04

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Solution

The fourth proportional to 20,737.43, 31,082.85 and 8,254.04 is: 12,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.43 : 31,082.85 = 8,254.04 : x
  2. Step 2: Convert to fraction form
    20,737.43/31,082.85 = 8,254.04/x
  3. Step 3: Cross multiply
    20,737.43x = 31,082.85 × 8,254.04
  4. Step 4: Simplify right side
    20,737.43x = 256,559,164.92
  5. Step 5: Solve for x
    x = 256,559,164.92/20,737.43
  6. Step 6: Final answer
    x = 12,371.79

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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.