Home / 18,456.26-27,645.10-9,664.52

Finding the Fourth Proportional to 18,456.26, 27,645.10 and 9,664.52

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Solution

The fourth proportional to 18,456.26, 27,645.10 and 9,664.52 is: 14,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.26 : 27,645.10 = 9,664.52 : x
  2. Step 2: Convert to fraction form
    18,456.26/27,645.10 = 9,664.52/x
  3. Step 3: Cross multiply
    18,456.26x = 27,645.10 × 9,664.52
  4. Step 4: Simplify right side
    18,456.26x = 267,176,459.47
  5. Step 5: Solve for x
    x = 267,176,459.47/18,456.26
  6. Step 6: Final answer
    x = 14,476.20

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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.