Home / 16,202.20-22,366.20-11,945.92

Finding the Fourth Proportional to 16,202.20, 22,366.20 and 11,945.92

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Solution

The fourth proportional to 16,202.20, 22,366.20 and 11,945.92 is: 16,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,202.20 : 22,366.20 = 11,945.92 : x
  2. Step 2: Convert to fraction form
    16,202.20/22,366.20 = 11,945.92/x
  3. Step 3: Cross multiply
    16,202.20x = 22,366.20 × 11,945.92
  4. Step 4: Simplify right side
    16,202.20x = 267,184,835.90
  5. Step 5: Solve for x
    x = 267,184,835.90/16,202.20
  6. Step 6: Final answer
    x = 16,490.65

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Double scale
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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.