Home / 19,517.10-29,228.45-11,171.82

Finding the Fourth Proportional to 19,517.10, 29,228.45 and 11,171.82

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Solution

The fourth proportional to 19,517.10, 29,228.45 and 11,171.82 is: 16,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.10 : 29,228.45 = 11,171.82 : x
  2. Step 2: Convert to fraction form
    19,517.10/29,228.45 = 11,171.82/x
  3. Step 3: Cross multiply
    19,517.10x = 29,228.45 × 11,171.82
  4. Step 4: Simplify right side
    19,517.10x = 326,534,982.28
  5. Step 5: Solve for x
    x = 326,534,982.28/19,517.10
  6. Step 6: Final answer
    x = 16,730.71

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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.