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Finding the Fourth Proportional to 18,550, 27,825 and 6,238

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Solution

The fourth proportional to 18,550, 27,825 and 6,238 is: 9,357

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550 : 27,825 = 6,238 : x
  2. Step 2: Convert to fraction form
    18,550/27,825 = 6,238/x
  3. Step 3: Cross multiply
    18,550x = 27,825 × 6,238
  4. Step 4: Simplify right side
    18,550x = 173,572,350
  5. Step 5: Solve for x
    x = 173,572,350/18,550
  6. Step 6: Final answer
    x = 9,357

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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.