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Finding the Fourth Proportional to 22,403.10, 33,600.96 and 8,359.46

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Solution

The fourth proportional to 22,403.10, 33,600.96 and 8,359.46 is: 12,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.10 : 33,600.96 = 8,359.46 : x
  2. Step 2: Convert to fraction form
    22,403.10/33,600.96 = 8,359.46/x
  3. Step 3: Cross multiply
    22,403.10x = 33,600.96 × 8,359.46
  4. Step 4: Simplify right side
    22,403.10x = 280,885,713.08
  5. Step 5: Solve for x
    x = 280,885,713.08/22,403.10
  6. Step 6: Final answer
    x = 12,537.81

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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.