Home / 11,399.55-17,105.25-8,625.41

Finding the Fourth Proportional to 11,399.55, 17,105.25 and 8,625.41

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Solution

The fourth proportional to 11,399.55, 17,105.25 and 8,625.41 is: 12,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.55 : 17,105.25 = 8,625.41 : x
  2. Step 2: Convert to fraction form
    11,399.55/17,105.25 = 8,625.41/x
  3. Step 3: Cross multiply
    11,399.55x = 17,105.25 × 8,625.41
  4. Step 4: Simplify right side
    11,399.55x = 147,539,708.88
  5. Step 5: Solve for x
    x = 147,539,708.88/11,399.55
  6. Step 6: Final answer
    x = 12,942.59

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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.