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Finding the Fourth Proportional to 8,575.16, 12,848.46 and 8,251.20

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Solution

The fourth proportional to 8,575.16, 12,848.46 and 8,251.20 is: 12,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.16 : 12,848.46 = 8,251.20 : x
  2. Step 2: Convert to fraction form
    8,575.16/12,848.46 = 8,251.20/x
  3. Step 3: Cross multiply
    8,575.16x = 12,848.46 × 8,251.20
  4. Step 4: Simplify right side
    8,575.16x = 106,015,213.15
  5. Step 5: Solve for x
    x = 106,015,213.15/8,575.16
  6. Step 6: Final answer
    x = 12,363.07

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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.