Home / 22,234.68-30,679.20-12,801.42

Finding the Fourth Proportional to 22,234.68, 30,679.20 and 12,801.42

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Solution

The fourth proportional to 22,234.68, 30,679.20 and 12,801.42 is: 17,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.68 : 30,679.20 = 12,801.42 : x
  2. Step 2: Convert to fraction form
    22,234.68/30,679.20 = 12,801.42/x
  3. Step 3: Cross multiply
    22,234.68x = 30,679.20 × 12,801.42
  4. Step 4: Simplify right side
    22,234.68x = 392,737,324.46
  5. Step 5: Solve for x
    x = 392,737,324.46/22,234.68
  6. Step 6: Final answer
    x = 17,663.28

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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.