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Finding the Fourth Proportional to 18,210, 27,315 and 5,898

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Solution

The fourth proportional to 18,210, 27,315 and 5,898 is: 8,847

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210 : 27,315 = 5,898 : x
  2. Step 2: Convert to fraction form
    18,210/27,315 = 5,898/x
  3. Step 3: Cross multiply
    18,210x = 27,315 × 5,898
  4. Step 4: Simplify right side
    18,210x = 161,103,870
  5. Step 5: Solve for x
    x = 161,103,870/18,210
  6. Step 6: Final answer
    x = 8,847

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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.