Home / 12,499.11-18,747.05-3,734.91

Finding the Fourth Proportional to 12,499.11, 18,747.05 and 3,734.91

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Solution

The fourth proportional to 12,499.11, 18,747.05 and 3,734.91 is: 5,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.11 : 18,747.05 = 3,734.91 : x
  2. Step 2: Convert to fraction form
    12,499.11/18,747.05 = 3,734.91/x
  3. Step 3: Cross multiply
    12,499.11x = 18,747.05 × 3,734.91
  4. Step 4: Simplify right side
    12,499.11x = 70,018,525.84
  5. Step 5: Solve for x
    x = 70,018,525.84/12,499.11
  6. Step 6: Final answer
    x = 5,601.88

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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.