Home / 14,146.11-19,531.40-8,843.31

Finding the Fourth Proportional to 14,146.11, 19,531.40 and 8,843.31

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Solution

The fourth proportional to 14,146.11, 19,531.40 and 8,843.31 is: 12,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.11 : 19,531.40 = 8,843.31 : x
  2. Step 2: Convert to fraction form
    14,146.11/19,531.40 = 8,843.31/x
  3. Step 3: Cross multiply
    14,146.11x = 19,531.40 × 8,843.31
  4. Step 4: Simplify right side
    14,146.11x = 172,722,180.72
  5. Step 5: Solve for x
    x = 172,722,180.72/14,146.11
  6. Step 6: Final answer
    x = 12,209.87

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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.