Home / 11,379.60-17,067.24-3,982.32

Finding the Fourth Proportional to 11,379.60, 17,067.24 and 3,982.32

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Solution

The fourth proportional to 11,379.60, 17,067.24 and 3,982.32 is: 5,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.60 : 17,067.24 = 3,982.32 : x
  2. Step 2: Convert to fraction form
    11,379.60/17,067.24 = 3,982.32/x
  3. Step 3: Cross multiply
    11,379.60x = 17,067.24 × 3,982.32
  4. Step 4: Simplify right side
    11,379.60x = 67,967,211.20
  5. Step 5: Solve for x
    x = 67,967,211.20/11,379.60
  6. Step 6: Final answer
    x = 5,972.72

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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.