Home / 20,545.20-28,353.18-12,046.14

Finding the Fourth Proportional to 20,545.20, 28,353.18 and 12,046.14

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Solution

The fourth proportional to 20,545.20, 28,353.18 and 12,046.14 is: 16,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.20 : 28,353.18 = 12,046.14 : x
  2. Step 2: Convert to fraction form
    20,545.20/28,353.18 = 12,046.14/x
  3. Step 3: Cross multiply
    20,545.20x = 28,353.18 × 12,046.14
  4. Step 4: Simplify right side
    20,545.20x = 341,546,375.73
  5. Step 5: Solve for x
    x = 341,546,375.73/20,545.20
  6. Step 6: Final answer
    x = 16,624.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.