Home / 11,399.56-17,105.26-8,625.41

Finding the Fourth Proportional to 11,399.56, 17,105.26 and 8,625.41

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Solution

The fourth proportional to 11,399.56, 17,105.26 and 8,625.41 is: 12,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.56 : 17,105.26 = 8,625.41 : x
  2. Step 2: Convert to fraction form
    11,399.56/17,105.26 = 8,625.41/x
  3. Step 3: Cross multiply
    11,399.56x = 17,105.26 × 8,625.41
  4. Step 4: Simplify right side
    11,399.56x = 147,539,773.57
  5. Step 5: Solve for x
    x = 147,539,773.57/11,399.56
  6. Step 6: Final answer
    x = 12,942.59

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1.5x scale

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.