Home / 10,731.60-16,091.82-4,159.71

Finding the Fourth Proportional to 10,731.60, 16,091.82 and 4,159.71

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Solution

The fourth proportional to 10,731.60, 16,091.82 and 4,159.71 is: 6,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.60 : 16,091.82 = 4,159.71 : x
  2. Step 2: Convert to fraction form
    10,731.60/16,091.82 = 4,159.71/x
  3. Step 3: Cross multiply
    10,731.60x = 16,091.82 × 4,159.71
  4. Step 4: Simplify right side
    10,731.60x = 66,937,304.57
  5. Step 5: Solve for x
    x = 66,937,304.57/10,731.60
  6. Step 6: Final answer
    x = 6,237.40

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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.