Home / 22,142.28-33,216.32-8,100.12

Finding the Fourth Proportional to 22,142.28, 33,216.32 and 8,100.12

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Solution

The fourth proportional to 22,142.28, 33,216.32 and 8,100.12 is: 12,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,142.28 : 33,216.32 = 8,100.12 : x
  2. Step 2: Convert to fraction form
    22,142.28/33,216.32 = 8,100.12/x
  3. Step 3: Cross multiply
    22,142.28x = 33,216.32 × 8,100.12
  4. Step 4: Simplify right side
    22,142.28x = 269,056,177.96
  5. Step 5: Solve for x
    x = 269,056,177.96/22,142.28
  6. Step 6: Final answer
    x = 12,151.24

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Double scale
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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.