Home / 10,180.31-15,272.85-3,159.97

Finding the Fourth Proportional to 10,180.31, 15,272.85 and 3,159.97

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Solution

The fourth proportional to 10,180.31, 15,272.85 and 3,159.97 is: 4,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.31 : 15,272.85 = 3,159.97 : x
  2. Step 2: Convert to fraction form
    10,180.31/15,272.85 = 3,159.97/x
  3. Step 3: Cross multiply
    10,180.31x = 15,272.85 × 3,159.97
  4. Step 4: Simplify right side
    10,180.31x = 48,261,747.81
  5. Step 5: Solve for x
    x = 48,261,747.81/10,180.31
  6. Step 6: Final answer
    x = 4,740.70

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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.