Home / 12,450.24-18,679.02-3,685.38

Finding the Fourth Proportional to 12,450.24, 18,679.02 and 3,685.38

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Solution

The fourth proportional to 12,450.24, 18,679.02 and 3,685.38 is: 5,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.24 : 18,679.02 = 3,685.38 : x
  2. Step 2: Convert to fraction form
    12,450.24/18,679.02 = 3,685.38/x
  3. Step 3: Cross multiply
    12,450.24x = 18,679.02 × 3,685.38
  4. Step 4: Simplify right side
    12,450.24x = 68,839,286.73
  5. Step 5: Solve for x
    x = 68,839,286.73/12,450.24
  6. Step 6: Final answer
    x = 5,529.15

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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.