Home / 12,517.23-18,773.45-3,752.15

Finding the Fourth Proportional to 12,517.23, 18,773.45 and 3,752.15

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Solution

The fourth proportional to 12,517.23, 18,773.45 and 3,752.15 is: 5,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.23 : 18,773.45 = 3,752.15 : x
  2. Step 2: Convert to fraction form
    12,517.23/18,773.45 = 3,752.15/x
  3. Step 3: Cross multiply
    12,517.23x = 18,773.45 × 3,752.15
  4. Step 4: Simplify right side
    12,517.23x = 70,440,687.79
  5. Step 5: Solve for x
    x = 70,440,687.79/12,517.23
  6. Step 6: Final answer
    x = 5,627.50

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1.5x scale

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.