Home / 11,862.30-16,371.66-7,387.46

Finding the Fourth Proportional to 11,862.30, 16,371.66 and 7,387.46

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Solution

The fourth proportional to 11,862.30, 16,371.66 and 7,387.46 is: 10,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.30 : 16,371.66 = 7,387.46 : x
  2. Step 2: Convert to fraction form
    11,862.30/16,371.66 = 7,387.46/x
  3. Step 3: Cross multiply
    11,862.30x = 16,371.66 × 7,387.46
  4. Step 4: Simplify right side
    11,862.30x = 120,944,983.38
  5. Step 5: Solve for x
    x = 120,944,983.38/11,862.30
  6. Step 6: Final answer
    x = 10,195.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.