Home / 12,246.15-18,375.30-4,850.85

Finding the Fourth Proportional to 12,246.15, 18,375.30 and 4,850.85

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Solution

The fourth proportional to 12,246.15, 18,375.30 and 4,850.85 is: 7,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.15 : 18,375.30 = 4,850.85 : x
  2. Step 2: Convert to fraction form
    12,246.15/18,375.30 = 4,850.85/x
  3. Step 3: Cross multiply
    12,246.15x = 18,375.30 × 4,850.85
  4. Step 4: Simplify right side
    12,246.15x = 89,135,824.01
  5. Step 5: Solve for x
    x = 89,135,824.01/12,246.15
  6. Step 6: Final answer
    x = 7,278.68

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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.