Home / 18,745.11-28,108.35-6,260.85

Finding the Fourth Proportional to 18,745.11, 28,108.35 and 6,260.85

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Solution

The fourth proportional to 18,745.11, 28,108.35 and 6,260.85 is: 9,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.11 : 28,108.35 = 6,260.85 : x
  2. Step 2: Convert to fraction form
    18,745.11/28,108.35 = 6,260.85/x
  3. Step 3: Cross multiply
    18,745.11x = 28,108.35 × 6,260.85
  4. Step 4: Simplify right side
    18,745.11x = 175,982,163.10
  5. Step 5: Solve for x
    x = 175,982,163.10/18,745.11
  6. Step 6: Final answer
    x = 9,388.16

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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.