Home / 20,236.92-30,359.82-6,198.12

Finding the Fourth Proportional to 20,236.92, 30,359.82 and 6,198.12

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Solution

The fourth proportional to 20,236.92, 30,359.82 and 6,198.12 is: 9,298.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.92 : 30,359.82 = 6,198.12 : x
  2. Step 2: Convert to fraction form
    20,236.92/30,359.82 = 6,198.12/x
  3. Step 3: Cross multiply
    20,236.92x = 30,359.82 × 6,198.12
  4. Step 4: Simplify right side
    20,236.92x = 188,173,807.54
  5. Step 5: Solve for x
    x = 188,173,807.54/20,236.92
  6. Step 6: Final answer
    x = 9,298.54

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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.