Home / 13,902.44-20,849.31-4,042.71

Finding the Fourth Proportional to 13,902.44, 20,849.31 and 4,042.71

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Solution

The fourth proportional to 13,902.44, 20,849.31 and 4,042.71 is: 6,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.44 : 20,849.31 = 4,042.71 : x
  2. Step 2: Convert to fraction form
    13,902.44/20,849.31 = 4,042.71/x
  3. Step 3: Cross multiply
    13,902.44x = 20,849.31 × 4,042.71
  4. Step 4: Simplify right side
    13,902.44x = 84,287,714.03
  5. Step 5: Solve for x
    x = 84,287,714.03/13,902.44
  6. Step 6: Final answer
    x = 6,062.80

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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.