Home / 10,072.55-15,107.43-2,677.61

Finding the Fourth Proportional to 10,072.55, 15,107.43 and 2,677.61

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Solution

The fourth proportional to 10,072.55, 15,107.43 and 2,677.61 is: 4,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.55 : 15,107.43 = 2,677.61 : x
  2. Step 2: Convert to fraction form
    10,072.55/15,107.43 = 2,677.61/x
  3. Step 3: Cross multiply
    10,072.55x = 15,107.43 × 2,677.61
  4. Step 4: Simplify right side
    10,072.55x = 40,451,781.74
  5. Step 5: Solve for x
    x = 40,451,781.74/10,072.55
  6. Step 6: Final answer
    x = 4,016.04

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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.