Home / 18,545.43-27,822.70-5,397.92

Finding the Fourth Proportional to 18,545.43, 27,822.70 and 5,397.92

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Solution

The fourth proportional to 18,545.43, 27,822.70 and 5,397.92 is: 8,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.43 : 27,822.70 = 5,397.92 : x
  2. Step 2: Convert to fraction form
    18,545.43/27,822.70 = 5,397.92/x
  3. Step 3: Cross multiply
    18,545.43x = 27,822.70 × 5,397.92
  4. Step 4: Simplify right side
    18,545.43x = 150,184,556.18
  5. Step 5: Solve for x
    x = 150,184,556.18/18,545.43
  6. Step 6: Final answer
    x = 8,098.20

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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.