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Finding the Fourth Proportional to 22,306.88, 33,461.88 and 9,159.92

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Solution

The fourth proportional to 22,306.88, 33,461.88 and 9,159.92 is: 13,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.88 : 33,461.88 = 9,159.92 : x
  2. Step 2: Convert to fraction form
    22,306.88/33,461.88 = 9,159.92/x
  3. Step 3: Cross multiply
    22,306.88x = 33,461.88 × 9,159.92
  4. Step 4: Simplify right side
    22,306.88x = 306,508,143.85
  5. Step 5: Solve for x
    x = 306,508,143.85/22,306.88
  6. Step 6: Final answer
    x = 13,740.52

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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.