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Finding the Fourth Proportional to 12,344, 18,516 and 3,110

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Solution

The fourth proportional to 12,344, 18,516 and 3,110 is: 4,665

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344 : 18,516 = 3,110 : x
  2. Step 2: Convert to fraction form
    12,344/18,516 = 3,110/x
  3. Step 3: Cross multiply
    12,344x = 18,516 × 3,110
  4. Step 4: Simplify right side
    12,344x = 57,584,760
  5. Step 5: Solve for x
    x = 57,584,760/12,344
  6. Step 6: Final answer
    x = 4,665

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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.