Home / 12,507.80-18,756.17-3,741.04

Finding the Fourth Proportional to 12,507.80, 18,756.17 and 3,741.04

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Solution

The fourth proportional to 12,507.80, 18,756.17 and 3,741.04 is: 5,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.80 : 18,756.17 = 3,741.04 : x
  2. Step 2: Convert to fraction form
    12,507.80/18,756.17 = 3,741.04/x
  3. Step 3: Cross multiply
    12,507.80x = 18,756.17 × 3,741.04
  4. Step 4: Simplify right side
    12,507.80x = 70,167,469.73
  5. Step 5: Solve for x
    x = 70,167,469.73/12,507.80
  6. Step 6: Final answer
    x = 5,609.90

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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.