Home / 12,229.55-18,351.62-4,438.97

Finding the Fourth Proportional to 12,229.55, 18,351.62 and 4,438.97

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Solution

The fourth proportional to 12,229.55, 18,351.62 and 4,438.97 is: 6,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.55 : 18,351.62 = 4,438.97 : x
  2. Step 2: Convert to fraction form
    12,229.55/18,351.62 = 4,438.97/x
  3. Step 3: Cross multiply
    12,229.55x = 18,351.62 × 4,438.97
  4. Step 4: Simplify right side
    12,229.55x = 81,462,176.68
  5. Step 5: Solve for x
    x = 81,462,176.68/12,229.55
  6. Step 6: Final answer
    x = 6,661.10

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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.