Home / 18,850.11-28,270.49-6,369.86

Finding the Fourth Proportional to 18,850.11, 28,270.49 and 6,369.86

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Solution

The fourth proportional to 18,850.11, 28,270.49 and 6,369.86 is: 9,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.11 : 28,270.49 = 6,369.86 : x
  2. Step 2: Convert to fraction form
    18,850.11/28,270.49 = 6,369.86/x
  3. Step 3: Cross multiply
    18,850.11x = 28,270.49 × 6,369.86
  4. Step 4: Simplify right side
    18,850.11x = 180,078,996.98
  5. Step 5: Solve for x
    x = 180,078,996.98/18,850.11
  6. Step 6: Final answer
    x = 9,553.21

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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.