Home / 11,067.20-15,272.25-6,287.13

Finding the Fourth Proportional to 11,067.20, 15,272.25 and 6,287.13

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Solution

The fourth proportional to 11,067.20, 15,272.25 and 6,287.13 is: 8,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.20 : 15,272.25 = 6,287.13 : x
  2. Step 2: Convert to fraction form
    11,067.20/15,272.25 = 6,287.13/x
  3. Step 3: Cross multiply
    11,067.20x = 15,272.25 × 6,287.13
  4. Step 4: Simplify right side
    11,067.20x = 96,018,554.61
  5. Step 5: Solve for x
    x = 96,018,554.61/11,067.20
  6. Step 6: Final answer
    x = 8,675.96

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