Home / 12,179.44-18,270.32-3,414.33

Finding the Fourth Proportional to 12,179.44, 18,270.32 and 3,414.33

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Solution

The fourth proportional to 12,179.44, 18,270.32 and 3,414.33 is: 5,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.44 : 18,270.32 = 3,414.33 : x
  2. Step 2: Convert to fraction form
    12,179.44/18,270.32 = 3,414.33/x
  3. Step 3: Cross multiply
    12,179.44x = 18,270.32 × 3,414.33
  4. Step 4: Simplify right side
    12,179.44x = 62,380,901.69
  5. Step 5: Solve for x
    x = 62,380,901.69/12,179.44
  6. Step 6: Final answer
    x = 5,121.82

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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.