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Finding the Fourth Proportional to 8,152.75, 12,229.14 and 1,996.75

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Solution

The fourth proportional to 8,152.75, 12,229.14 and 1,996.75 is: 2,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.75 : 12,229.14 = 1,996.75 : x
  2. Step 2: Convert to fraction form
    8,152.75/12,229.14 = 1,996.75/x
  3. Step 3: Cross multiply
    8,152.75x = 12,229.14 × 1,996.75
  4. Step 4: Simplify right side
    8,152.75x = 24,418,535.30
  5. Step 5: Solve for x
    x = 24,418,535.30/8,152.75
  6. Step 6: Final answer
    x = 2,995.13

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,153.75, 12,230.64 and 1,997.75
Similar ratio
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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.