Home / 10,257.26-14,154.61-5,781.94

Finding the Fourth Proportional to 10,257.26, 14,154.61 and 5,781.94

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Solution

The fourth proportional to 10,257.26, 14,154.61 and 5,781.94 is: 7,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.26 : 14,154.61 = 5,781.94 : x
  2. Step 2: Convert to fraction form
    10,257.26/14,154.61 = 5,781.94/x
  3. Step 3: Cross multiply
    10,257.26x = 14,154.61 × 5,781.94
  4. Step 4: Simplify right side
    10,257.26x = 81,841,105.74
  5. Step 5: Solve for x
    x = 81,841,105.74/10,257.26
  6. Step 6: Final answer
    x = 7,978.85

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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.