Home / 22,179.12-30,604.28-13,227.68

Finding the Fourth Proportional to 22,179.12, 30,604.28 and 13,227.68

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Solution

The fourth proportional to 22,179.12, 30,604.28 and 13,227.68 is: 18,252.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.12 : 30,604.28 = 13,227.68 : x
  2. Step 2: Convert to fraction form
    22,179.12/30,604.28 = 13,227.68/x
  3. Step 3: Cross multiply
    22,179.12x = 30,604.28 × 13,227.68
  4. Step 4: Simplify right side
    22,179.12x = 404,823,622.47
  5. Step 5: Solve for x
    x = 404,823,622.47/22,179.12
  6. Step 6: Final answer
    x = 18,252.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.