Home / 22,105.28-33,146.40-8,242.88

Finding the Fourth Proportional to 22,105.28, 33,146.40 and 8,242.88

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Solution

The fourth proportional to 22,105.28, 33,146.40 and 8,242.88 is: 12,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.28 : 33,146.40 = 8,242.88 : x
  2. Step 2: Convert to fraction form
    22,105.28/33,146.40 = 8,242.88/x
  3. Step 3: Cross multiply
    22,105.28x = 33,146.40 × 8,242.88
  4. Step 4: Simplify right side
    22,105.28x = 273,221,797.63
  5. Step 5: Solve for x
    x = 273,221,797.63/22,105.28
  6. Step 6: Final answer
    x = 12,360.02

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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.