Home / 11,487.25-17,227.80-3,165.29

Finding the Fourth Proportional to 11,487.25, 17,227.80 and 3,165.29

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Solution

The fourth proportional to 11,487.25, 17,227.80 and 3,165.29 is: 4,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.25 : 17,227.80 = 3,165.29 : x
  2. Step 2: Convert to fraction form
    11,487.25/17,227.80 = 3,165.29/x
  3. Step 3: Cross multiply
    11,487.25x = 17,227.80 × 3,165.29
  4. Step 4: Simplify right side
    11,487.25x = 54,530,983.06
  5. Step 5: Solve for x
    x = 54,530,983.06/11,487.25
  6. Step 6: Final answer
    x = 4,747.09

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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.