Home / 22,178.63-30,603.60-13,227.18

Finding the Fourth Proportional to 22,178.63, 30,603.60 and 13,227.18

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Solution

The fourth proportional to 22,178.63, 30,603.60 and 13,227.18 is: 18,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178.63 : 30,603.60 = 13,227.18 : x
  2. Step 2: Convert to fraction form
    22,178.63/30,603.60 = 13,227.18/x
  3. Step 3: Cross multiply
    22,178.63x = 30,603.60 × 13,227.18
  4. Step 4: Simplify right side
    22,178.63x = 404,799,325.85
  5. Step 5: Solve for x
    x = 404,799,325.85/22,178.63
  6. Step 6: Final answer
    x = 18,251.78

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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.