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Finding the Fourth Proportional to 12,538, 18,807 and 3,304

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Solution

The fourth proportional to 12,538, 18,807 and 3,304 is: 4,956

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538 : 18,807 = 3,304 : x
  2. Step 2: Convert to fraction form
    12,538/18,807 = 3,304/x
  3. Step 3: Cross multiply
    12,538x = 18,807 × 3,304
  4. Step 4: Simplify right side
    12,538x = 62,138,328
  5. Step 5: Solve for x
    x = 62,138,328/12,538
  6. Step 6: Final answer
    x = 4,956

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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.