Home / 12,399.20-18,601.52-3,634.16

Finding the Fourth Proportional to 12,399.20, 18,601.52 and 3,634.16

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Solution

The fourth proportional to 12,399.20, 18,601.52 and 3,634.16 is: 5,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.20 : 18,601.52 = 3,634.16 : x
  2. Step 2: Convert to fraction form
    12,399.20/18,601.52 = 3,634.16/x
  3. Step 3: Cross multiply
    12,399.20x = 18,601.52 × 3,634.16
  4. Step 4: Simplify right side
    12,399.20x = 67,600,899.92
  5. Step 5: Solve for x
    x = 67,600,899.92/12,399.20
  6. Step 6: Final answer
    x = 5,452.04

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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.