Home / 11,087.38-16,633.73-3,691.90

Finding the Fourth Proportional to 11,087.38, 16,633.73 and 3,691.90

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Solution

The fourth proportional to 11,087.38, 16,633.73 and 3,691.90 is: 5,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.38 : 16,633.73 = 3,691.90 : x
  2. Step 2: Convert to fraction form
    11,087.38/16,633.73 = 3,691.90/x
  3. Step 3: Cross multiply
    11,087.38x = 16,633.73 × 3,691.90
  4. Step 4: Simplify right side
    11,087.38x = 61,410,134.21
  5. Step 5: Solve for x
    x = 61,410,134.21/11,087.38
  6. Step 6: Final answer
    x = 5,538.74

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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.