Home / 15,408.72-23,115.24-5,018.04

Finding the Fourth Proportional to 15,408.72, 23,115.24 and 5,018.04

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Solution

The fourth proportional to 15,408.72, 23,115.24 and 5,018.04 is: 7,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.72 : 23,115.24 = 5,018.04 : x
  2. Step 2: Convert to fraction form
    15,408.72/23,115.24 = 5,018.04/x
  3. Step 3: Cross multiply
    15,408.72x = 23,115.24 × 5,018.04
  4. Step 4: Simplify right side
    15,408.72x = 115,993,198.93
  5. Step 5: Solve for x
    x = 115,993,198.93/15,408.72
  6. Step 6: Final answer
    x = 7,527.76

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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.