Home / 11,680.39-16,118.92-6,375.25

Finding the Fourth Proportional to 11,680.39, 16,118.92 and 6,375.25

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Solution

The fourth proportional to 11,680.39, 16,118.92 and 6,375.25 is: 8,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.39 : 16,118.92 = 6,375.25 : x
  2. Step 2: Convert to fraction form
    11,680.39/16,118.92 = 6,375.25/x
  3. Step 3: Cross multiply
    11,680.39x = 16,118.92 × 6,375.25
  4. Step 4: Simplify right side
    11,680.39x = 102,762,144.73
  5. Step 5: Solve for x
    x = 102,762,144.73/11,680.39
  6. Step 6: Final answer
    x = 8,797.84

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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.