Home / 20,340.92-30,515.94-7,194.32

Finding the Fourth Proportional to 20,340.92, 30,515.94 and 7,194.32

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Solution

The fourth proportional to 20,340.92, 30,515.94 and 7,194.32 is: 10,793.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,340.92 : 30,515.94 = 7,194.32 : x
  2. Step 2: Convert to fraction form
    20,340.92/30,515.94 = 7,194.32/x
  3. Step 3: Cross multiply
    20,340.92x = 30,515.94 × 7,194.32
  4. Step 4: Simplify right side
    20,340.92x = 219,541,399.32
  5. Step 5: Solve for x
    x = 219,541,399.32/20,340.92
  6. Step 6: Final answer
    x = 10,793.09

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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.