Home / 11,899.85-17,850.97-4,405.41

Finding the Fourth Proportional to 11,899.85, 17,850.97 and 4,405.41

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Solution

The fourth proportional to 11,899.85, 17,850.97 and 4,405.41 is: 6,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.85 : 17,850.97 = 4,405.41 : x
  2. Step 2: Convert to fraction form
    11,899.85/17,850.97 = 4,405.41/x
  3. Step 3: Cross multiply
    11,899.85x = 17,850.97 × 4,405.41
  4. Step 4: Simplify right side
    11,899.85x = 78,640,872.68
  5. Step 5: Solve for x
    x = 78,640,872.68/11,899.85
  6. Step 6: Final answer
    x = 6,608.56

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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.