Home / 18,408.62-27,617.25-5,260.65

Finding the Fourth Proportional to 18,408.62, 27,617.25 and 5,260.65

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Solution

The fourth proportional to 18,408.62, 27,617.25 and 5,260.65 is: 7,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.62 : 27,617.25 = 5,260.65 : x
  2. Step 2: Convert to fraction form
    18,408.62/27,617.25 = 5,260.65/x
  3. Step 3: Cross multiply
    18,408.62x = 27,617.25 × 5,260.65
  4. Step 4: Simplify right side
    18,408.62x = 145,284,602.38
  5. Step 5: Solve for x
    x = 145,284,602.38/18,408.62
  6. Step 6: Final answer
    x = 7,892.21

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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.