Home / 11,280.45-16,923.41-3,489.26

Finding the Fourth Proportional to 11,280.45, 16,923.41 and 3,489.26

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Solution

The fourth proportional to 11,280.45, 16,923.41 and 3,489.26 is: 5,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.45 : 16,923.41 = 3,489.26 : x
  2. Step 2: Convert to fraction form
    11,280.45/16,923.41 = 3,489.26/x
  3. Step 3: Cross multiply
    11,280.45x = 16,923.41 × 3,489.26
  4. Step 4: Simplify right side
    11,280.45x = 59,050,177.58
  5. Step 5: Solve for x
    x = 59,050,177.58/11,280.45
  6. Step 6: Final answer
    x = 5,234.74

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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.