Home / 11,896.92-17,845.67-3,999.55

Finding the Fourth Proportional to 11,896.92, 17,845.67 and 3,999.55

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Solution

The fourth proportional to 11,896.92, 17,845.67 and 3,999.55 is: 5,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.92 : 17,845.67 = 3,999.55 : x
  2. Step 2: Convert to fraction form
    11,896.92/17,845.67 = 3,999.55/x
  3. Step 3: Cross multiply
    11,896.92x = 17,845.67 × 3,999.55
  4. Step 4: Simplify right side
    11,896.92x = 71,374,649.45
  5. Step 5: Solve for x
    x = 71,374,649.45/11,896.92
  6. Step 6: Final answer
    x = 5,999.42

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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.