Home / 11,177.76-16,769.24-3,279.96

Finding the Fourth Proportional to 11,177.76, 16,769.24 and 3,279.96

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Solution

The fourth proportional to 11,177.76, 16,769.24 and 3,279.96 is: 4,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.76 : 16,769.24 = 3,279.96 : x
  2. Step 2: Convert to fraction form
    11,177.76/16,769.24 = 3,279.96/x
  3. Step 3: Cross multiply
    11,177.76x = 16,769.24 × 3,279.96
  4. Step 4: Simplify right side
    11,177.76x = 55,002,432.33
  5. Step 5: Solve for x
    x = 55,002,432.33/11,177.76
  6. Step 6: Final answer
    x = 4,920.70

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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.