Home / 12,517.76-18,764.96-4,304

Finding the Fourth Proportional to 12,517.76, 18,764.96 and 4,304

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Solution

The fourth proportional to 12,517.76, 18,764.96 and 4,304 is: 6,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.76 : 18,764.96 = 4,304 : x
  2. Step 2: Convert to fraction form
    12,517.76/18,764.96 = 4,304/x
  3. Step 3: Cross multiply
    12,517.76x = 18,764.96 × 4,304
  4. Step 4: Simplify right side
    12,517.76x = 80,764,387.84
  5. Step 5: Solve for x
    x = 80,764,387.84/12,517.76
  6. Step 6: Final answer
    x = 6,451.98

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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.