Home / 15,067.60-22,584.98-12,869.66

Finding the Fourth Proportional to 15,067.60, 22,584.98 and 12,869.66

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Solution

The fourth proportional to 15,067.60, 22,584.98 and 12,869.66 is: 19,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.60 : 22,584.98 = 12,869.66 : x
  2. Step 2: Convert to fraction form
    15,067.60/22,584.98 = 12,869.66/x
  3. Step 3: Cross multiply
    15,067.60x = 22,584.98 × 12,869.66
  4. Step 4: Simplify right side
    15,067.60x = 290,661,013.71
  5. Step 5: Solve for x
    x = 290,661,013.71/15,067.60
  6. Step 6: Final answer
    x = 19,290.47

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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.