Home / 12,250.55-18,377.04-3,930.23

Finding the Fourth Proportional to 12,250.55, 18,377.04 and 3,930.23

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Solution

The fourth proportional to 12,250.55, 18,377.04 and 3,930.23 is: 5,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.55 : 18,377.04 = 3,930.23 : x
  2. Step 2: Convert to fraction form
    12,250.55/18,377.04 = 3,930.23/x
  3. Step 3: Cross multiply
    12,250.55x = 18,377.04 × 3,930.23
  4. Step 4: Simplify right side
    12,250.55x = 72,225,993.92
  5. Step 5: Solve for x
    x = 72,225,993.92/12,250.55
  6. Step 6: Final answer
    x = 5,895.73

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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.