Home / 12,422.38-18,562.60-9,444.46

Finding the Fourth Proportional to 12,422.38, 18,562.60 and 9,444.46

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Solution

The fourth proportional to 12,422.38, 18,562.60 and 9,444.46 is: 14,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.38 : 18,562.60 = 9,444.46 : x
  2. Step 2: Convert to fraction form
    12,422.38/18,562.60 = 9,444.46/x
  3. Step 3: Cross multiply
    12,422.38x = 18,562.60 × 9,444.46
  4. Step 4: Simplify right side
    12,422.38x = 175,313,733.20
  5. Step 5: Solve for x
    x = 175,313,733.20/12,422.38
  6. Step 6: Final answer
    x = 14,112.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.