Home / 11,487.70-17,229.25-3,165.58

Finding the Fourth Proportional to 11,487.70, 17,229.25 and 3,165.58

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Solution

The fourth proportional to 11,487.70, 17,229.25 and 3,165.58 is: 4,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.70 : 17,229.25 = 3,165.58 : x
  2. Step 2: Convert to fraction form
    11,487.70/17,229.25 = 3,165.58/x
  3. Step 3: Cross multiply
    11,487.70x = 17,229.25 × 3,165.58
  4. Step 4: Simplify right side
    11,487.70x = 54,540,569.22
  5. Step 5: Solve for x
    x = 54,540,569.22/11,487.70
  6. Step 6: Final answer
    x = 4,747.74

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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.