Home / 16,811.20-25,211.38-5,564.44

Finding the Fourth Proportional to 16,811.20, 25,211.38 and 5,564.44

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Solution

The fourth proportional to 16,811.20, 25,211.38 and 5,564.44 is: 8,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.20 : 25,211.38 = 5,564.44 : x
  2. Step 2: Convert to fraction form
    16,811.20/25,211.38 = 5,564.44/x
  3. Step 3: Cross multiply
    16,811.20x = 25,211.38 × 5,564.44
  4. Step 4: Simplify right side
    16,811.20x = 140,287,211.33
  5. Step 5: Solve for x
    x = 140,287,211.33/16,811.20
  6. Step 6: Final answer
    x = 8,344.87

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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.