Home / 11,084.76-16,629.60-3,691.68

Finding the Fourth Proportional to 11,084.76, 16,629.60 and 3,691.68

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Solution

The fourth proportional to 11,084.76, 16,629.60 and 3,691.68 is: 5,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.76 : 16,629.60 = 3,691.68 : x
  2. Step 2: Convert to fraction form
    11,084.76/16,629.60 = 3,691.68/x
  3. Step 3: Cross multiply
    11,084.76x = 16,629.60 × 3,691.68
  4. Step 4: Simplify right side
    11,084.76x = 61,391,161.73
  5. Step 5: Solve for x
    x = 61,391,161.73/11,084.76
  6. Step 6: Final answer
    x = 5,538.34

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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.