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Finding the Fourth Proportional to 15,105.90, 22,660.02 and 5,750.40

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Solution

The fourth proportional to 15,105.90, 22,660.02 and 5,750.40 is: 8,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.90 : 22,660.02 = 5,750.40 : x
  2. Step 2: Convert to fraction form
    15,105.90/22,660.02 = 5,750.40/x
  3. Step 3: Cross multiply
    15,105.90x = 22,660.02 × 5,750.40
  4. Step 4: Simplify right side
    15,105.90x = 130,304,179.01
  5. Step 5: Solve for x
    x = 130,304,179.01/15,105.90
  6. Step 6: Final answer
    x = 8,626.05

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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.