Home / 11,876.22-16,388.97-6,571.02

Finding the Fourth Proportional to 11,876.22, 16,388.97 and 6,571.02

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Solution

The fourth proportional to 11,876.22, 16,388.97 and 6,571.02 is: 9,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.22 : 16,388.97 = 6,571.02 : x
  2. Step 2: Convert to fraction form
    11,876.22/16,388.97 = 6,571.02/x
  3. Step 3: Cross multiply
    11,876.22x = 16,388.97 × 6,571.02
  4. Step 4: Simplify right side
    11,876.22x = 107,692,286.47
  5. Step 5: Solve for x
    x = 107,692,286.47/11,876.22
  6. Step 6: Final answer
    x = 9,067.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.