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Finding the Fourth Proportional to 22,305.78, 33,458.67 and 9,169.20

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Solution

The fourth proportional to 22,305.78, 33,458.67 and 9,169.20 is: 13,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.78 : 33,458.67 = 9,169.20 : x
  2. Step 2: Convert to fraction form
    22,305.78/33,458.67 = 9,169.20/x
  3. Step 3: Cross multiply
    22,305.78x = 33,458.67 × 9,169.20
  4. Step 4: Simplify right side
    22,305.78x = 306,789,236.96
  5. Step 5: Solve for x
    x = 306,789,236.96/22,305.78
  6. Step 6: Final answer
    x = 13,753.80

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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.