Home / 9,716.71-14,577.19-3,142.80

Finding the Fourth Proportional to 9,716.71, 14,577.19 and 3,142.80

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Solution

The fourth proportional to 9,716.71, 14,577.19 and 3,142.80 is: 4,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.71 : 14,577.19 = 3,142.80 : x
  2. Step 2: Convert to fraction form
    9,716.71/14,577.19 = 3,142.80/x
  3. Step 3: Cross multiply
    9,716.71x = 14,577.19 × 3,142.80
  4. Step 4: Simplify right side
    9,716.71x = 45,813,192.73
  5. Step 5: Solve for x
    x = 45,813,192.73/9,716.71
  6. Step 6: Final answer
    x = 4,714.89

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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.