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Finding the Fourth Proportional to 10,250.20, 15,375.30 and 10,104.40

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Solution

The fourth proportional to 10,250.20, 15,375.30 and 10,104.40 is: 15,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.20 : 15,375.30 = 10,104.40 : x
  2. Step 2: Convert to fraction form
    10,250.20/15,375.30 = 10,104.40/x
  3. Step 3: Cross multiply
    10,250.20x = 15,375.30 × 10,104.40
  4. Step 4: Simplify right side
    10,250.20x = 155,358,181.32
  5. Step 5: Solve for x
    x = 155,358,181.32/10,250.20
  6. Step 6: Final answer
    x = 15,156.60

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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.