Home / 20,502.10-30,753.16-5,711.04

Finding the Fourth Proportional to 20,502.10, 30,753.16 and 5,711.04

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Solution

The fourth proportional to 20,502.10, 30,753.16 and 5,711.04 is: 8,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.10 : 30,753.16 = 5,711.04 : x
  2. Step 2: Convert to fraction form
    20,502.10/30,753.16 = 5,711.04/x
  3. Step 3: Cross multiply
    20,502.10x = 30,753.16 × 5,711.04
  4. Step 4: Simplify right side
    20,502.10x = 175,632,526.89
  5. Step 5: Solve for x
    x = 175,632,526.89/20,502.10
  6. Step 6: Final answer
    x = 8,566.56

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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.