Home / 20,654.13-30,939.62-9,545.52

Finding the Fourth Proportional to 20,654.13, 30,939.62 and 9,545.52

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Solution

The fourth proportional to 20,654.13, 30,939.62 and 9,545.52 is: 14,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.13 : 30,939.62 = 9,545.52 : x
  2. Step 2: Convert to fraction form
    20,654.13/30,939.62 = 9,545.52/x
  3. Step 3: Cross multiply
    20,654.13x = 30,939.62 × 9,545.52
  4. Step 4: Simplify right side
    20,654.13x = 295,334,713.77
  5. Step 5: Solve for x
    x = 295,334,713.77/20,654.13
  6. Step 6: Final answer
    x = 14,299.06

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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.