Home / 11,418.74-17,131.46-4,399.36

Finding the Fourth Proportional to 11,418.74, 17,131.46 and 4,399.36

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Solution

The fourth proportional to 11,418.74, 17,131.46 and 4,399.36 is: 6,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.74 : 17,131.46 = 4,399.36 : x
  2. Step 2: Convert to fraction form
    11,418.74/17,131.46 = 4,399.36/x
  3. Step 3: Cross multiply
    11,418.74x = 17,131.46 × 4,399.36
  4. Step 4: Simplify right side
    11,418.74x = 75,367,459.87
  5. Step 5: Solve for x
    x = 75,367,459.87/11,418.74
  6. Step 6: Final answer
    x = 6,600.33

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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.