Home / 11,133.80-16,679.10-6,194.60

Finding the Fourth Proportional to 11,133.80, 16,679.10 and 6,194.60

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Solution

The fourth proportional to 11,133.80, 16,679.10 and 6,194.60 is: 9,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.80 : 16,679.10 = 6,194.60 : x
  2. Step 2: Convert to fraction form
    11,133.80/16,679.10 = 6,194.60/x
  3. Step 3: Cross multiply
    11,133.80x = 16,679.10 × 6,194.60
  4. Step 4: Simplify right side
    11,133.80x = 103,320,352.86
  5. Step 5: Solve for x
    x = 103,320,352.86/11,133.80
  6. Step 6: Final answer
    x = 9,279.88

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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.