Home / 20,610.76-30,914.46-6,758.44

Finding the Fourth Proportional to 20,610.76, 30,914.46 and 6,758.44

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Solution

The fourth proportional to 20,610.76, 30,914.46 and 6,758.44 is: 10,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610.76 : 30,914.46 = 6,758.44 : x
  2. Step 2: Convert to fraction form
    20,610.76/30,914.46 = 6,758.44/x
  3. Step 3: Cross multiply
    20,610.76x = 30,914.46 × 6,758.44
  4. Step 4: Simplify right side
    20,610.76x = 208,933,523.04
  5. Step 5: Solve for x
    x = 208,933,523.04/20,610.76
  6. Step 6: Final answer
    x = 10,137.11

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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.