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Finding the Fourth Proportional to 12,134, 18,201 and 3,926

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Solution

The fourth proportional to 12,134, 18,201 and 3,926 is: 5,889

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134 : 18,201 = 3,926 : x
  2. Step 2: Convert to fraction form
    12,134/18,201 = 3,926/x
  3. Step 3: Cross multiply
    12,134x = 18,201 × 3,926
  4. Step 4: Simplify right side
    12,134x = 71,457,126
  5. Step 5: Solve for x
    x = 71,457,126/12,134
  6. Step 6: Final answer
    x = 5,889

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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.