Home / 10,714.88-16,077.66-5,172.92

Finding the Fourth Proportional to 10,714.88, 16,077.66 and 5,172.92

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Solution

The fourth proportional to 10,714.88, 16,077.66 and 5,172.92 is: 7,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,714.88 : 16,077.66 = 5,172.92 : x
  2. Step 2: Convert to fraction form
    10,714.88/16,077.66 = 5,172.92/x
  3. Step 3: Cross multiply
    10,714.88x = 16,077.66 × 5,172.92
  4. Step 4: Simplify right side
    10,714.88x = 83,168,448.97
  5. Step 5: Solve for x
    x = 83,168,448.97/10,714.88
  6. Step 6: Final answer
    x = 7,761.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.