Home / 22,213.38-33,333.20-8,183.25

Finding the Fourth Proportional to 22,213.38, 33,333.20 and 8,183.25

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Solution

The fourth proportional to 22,213.38, 33,333.20 and 8,183.25 is: 12,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.38 : 33,333.20 = 8,183.25 : x
  2. Step 2: Convert to fraction form
    22,213.38/33,333.20 = 8,183.25/x
  3. Step 3: Cross multiply
    22,213.38x = 33,333.20 × 8,183.25
  4. Step 4: Simplify right side
    22,213.38x = 272,773,867.98
  5. Step 5: Solve for x
    x = 272,773,867.98/22,213.38
  6. Step 6: Final answer
    x = 12,279.71

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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.