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Finding the Fourth Proportional to 12,248, 18,372 and 4,040

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Solution

The fourth proportional to 12,248, 18,372 and 4,040 is: 6,060

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248 : 18,372 = 4,040 : x
  2. Step 2: Convert to fraction form
    12,248/18,372 = 4,040/x
  3. Step 3: Cross multiply
    12,248x = 18,372 × 4,040
  4. Step 4: Simplify right side
    12,248x = 74,222,880
  5. Step 5: Solve for x
    x = 74,222,880/12,248
  6. Step 6: Final answer
    x = 6,060

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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.