Home / 10,324.92-15,545.76-9,100.20

Finding the Fourth Proportional to 10,324.92, 15,545.76 and 9,100.20

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Solution

The fourth proportional to 10,324.92, 15,545.76 and 9,100.20 is: 13,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.92 : 15,545.76 = 9,100.20 : x
  2. Step 2: Convert to fraction form
    10,324.92/15,545.76 = 9,100.20/x
  3. Step 3: Cross multiply
    10,324.92x = 15,545.76 × 9,100.20
  4. Step 4: Simplify right side
    10,324.92x = 141,469,525.15
  5. Step 5: Solve for x
    x = 141,469,525.15/10,324.92
  6. Step 6: Final answer
    x = 13,701.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.