Home / 20,204.73-30,305.88-9,106.92

Finding the Fourth Proportional to 20,204.73, 30,305.88 and 9,106.92

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Solution

The fourth proportional to 20,204.73, 30,305.88 and 9,106.92 is: 13,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.73 : 30,305.88 = 9,106.92 : x
  2. Step 2: Convert to fraction form
    20,204.73/30,305.88 = 9,106.92/x
  3. Step 3: Cross multiply
    20,204.73x = 30,305.88 × 9,106.92
  4. Step 4: Simplify right side
    20,204.73x = 275,993,224.69
  5. Step 5: Solve for x
    x = 275,993,224.69/20,204.73
  6. Step 6: Final answer
    x = 13,659.83

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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.