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Finding the Fourth Proportional to 18,269.67, 27,369.18 and 11,228.97

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Solution

The fourth proportional to 18,269.67, 27,369.18 and 11,228.97 is: 16,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.67 : 27,369.18 = 11,228.97 : x
  2. Step 2: Convert to fraction form
    18,269.67/27,369.18 = 11,228.97/x
  3. Step 3: Cross multiply
    18,269.67x = 27,369.18 × 11,228.97
  4. Step 4: Simplify right side
    18,269.67x = 307,327,701.14
  5. Step 5: Solve for x
    x = 307,327,701.14/18,269.67
  6. Step 6: Final answer
    x = 16,821.74

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1.5x scale

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.