Home / 12,229.92-18,352.80-4,438.08

Finding the Fourth Proportional to 12,229.92, 18,352.80 and 4,438.08

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Solution

The fourth proportional to 12,229.92, 18,352.80 and 4,438.08 is: 6,659.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.92 : 18,352.80 = 4,438.08 : x
  2. Step 2: Convert to fraction form
    12,229.92/18,352.80 = 4,438.08/x
  3. Step 3: Cross multiply
    12,229.92x = 18,352.80 × 4,438.08
  4. Step 4: Simplify right side
    12,229.92x = 81,451,194.62
  5. Step 5: Solve for x
    x = 81,451,194.62/12,229.92
  6. Step 6: Final answer
    x = 6,659.99

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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.