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Finding the Fourth Proportional to 22,229.78, 33,359.16 and 8,189.96

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Solution

The fourth proportional to 22,229.78, 33,359.16 and 8,189.96 is: 12,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.78 : 33,359.16 = 8,189.96 : x
  2. Step 2: Convert to fraction form
    22,229.78/33,359.16 = 8,189.96/x
  3. Step 3: Cross multiply
    22,229.78x = 33,359.16 × 8,189.96
  4. Step 4: Simplify right side
    22,229.78x = 273,210,186.03
  5. Step 5: Solve for x
    x = 273,210,186.03/22,229.78
  6. Step 6: Final answer
    x = 12,290.28

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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.