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Finding the Fourth Proportional to 22,170.26, 33,230.28 and 7,375.70

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Solution

The fourth proportional to 22,170.26, 33,230.28 and 7,375.70 is: 11,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.26 : 33,230.28 = 7,375.70 : x
  2. Step 2: Convert to fraction form
    22,170.26/33,230.28 = 7,375.70/x
  3. Step 3: Cross multiply
    22,170.26x = 33,230.28 × 7,375.70
  4. Step 4: Simplify right side
    22,170.26x = 245,096,576.20
  5. Step 5: Solve for x
    x = 245,096,576.20/22,170.26
  6. Step 6: Final answer
    x = 11,055.20

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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.