Home / 10,359.76-15,545.68-4,517.20

Finding the Fourth Proportional to 10,359.76, 15,545.68 and 4,517.20

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Solution

The fourth proportional to 10,359.76, 15,545.68 and 4,517.20 is: 6,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.76 : 15,545.68 = 4,517.20 : x
  2. Step 2: Convert to fraction form
    10,359.76/15,545.68 = 4,517.20/x
  3. Step 3: Cross multiply
    10,359.76x = 15,545.68 × 4,517.20
  4. Step 4: Simplify right side
    10,359.76x = 70,222,945.70
  5. Step 5: Solve for x
    x = 70,222,945.70/10,359.76
  6. Step 6: Final answer
    x = 6,778.43

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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.