Home / 15,280.11-22,911.98-4,745.61

Finding the Fourth Proportional to 15,280.11, 22,911.98 and 4,745.61

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Solution

The fourth proportional to 15,280.11, 22,911.98 and 4,745.61 is: 7,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.11 : 22,911.98 = 4,745.61 : x
  2. Step 2: Convert to fraction form
    15,280.11/22,911.98 = 4,745.61/x
  3. Step 3: Cross multiply
    15,280.11x = 22,911.98 × 4,745.61
  4. Step 4: Simplify right side
    15,280.11x = 108,731,297.68
  5. Step 5: Solve for x
    x = 108,731,297.68/15,280.11
  6. Step 6: Final answer
    x = 7,115.87

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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.