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Finding the Fourth Proportional to 12,452, 17,183.76 and 6,863.12

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Solution

The fourth proportional to 12,452, 17,183.76 and 6,863.12 is: 9,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452 : 17,183.76 = 6,863.12 : x
  2. Step 2: Convert to fraction form
    12,452/17,183.76 = 6,863.12/x
  3. Step 3: Cross multiply
    12,452x = 17,183.76 × 6,863.12
  4. Step 4: Simplify right side
    12,452x = 117,934,206.93
  5. Step 5: Solve for x
    x = 117,934,206.93/12,452
  6. Step 6: Final answer
    x = 9,471.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.