Home / 12,222.08-18,318.92-5,199.88

Finding the Fourth Proportional to 12,222.08, 18,318.92 and 5,199.88

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Solution

The fourth proportional to 12,222.08, 18,318.92 and 5,199.88 is: 7,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.08 : 18,318.92 = 5,199.88 : x
  2. Step 2: Convert to fraction form
    12,222.08/18,318.92 = 5,199.88/x
  3. Step 3: Cross multiply
    12,222.08x = 18,318.92 × 5,199.88
  4. Step 4: Simplify right side
    12,222.08x = 95,256,185.73
  5. Step 5: Solve for x
    x = 95,256,185.73/12,222.08
  6. Step 6: Final answer
    x = 7,793.78

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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.