Home / 20,545.24-30,818.10-7,397.92

Finding the Fourth Proportional to 20,545.24, 30,818.10 and 7,397.92

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Solution

The fourth proportional to 20,545.24, 30,818.10 and 7,397.92 is: 11,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.24 : 30,818.10 = 7,397.92 : x
  2. Step 2: Convert to fraction form
    20,545.24/30,818.10 = 7,397.92/x
  3. Step 3: Cross multiply
    20,545.24x = 30,818.10 × 7,397.92
  4. Step 4: Simplify right side
    20,545.24x = 227,989,838.35
  5. Step 5: Solve for x
    x = 227,989,838.35/20,545.24
  6. Step 6: Final answer
    x = 11,096.97

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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.