Home / 20,134.17-30,203.36-6,808.73

Finding the Fourth Proportional to 20,134.17, 30,203.36 and 6,808.73

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Solution

The fourth proportional to 20,134.17, 30,203.36 and 6,808.73 is: 10,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.17 : 30,203.36 = 6,808.73 : x
  2. Step 2: Convert to fraction form
    20,134.17/30,203.36 = 6,808.73/x
  3. Step 3: Cross multiply
    20,134.17x = 30,203.36 × 6,808.73
  4. Step 4: Simplify right side
    20,134.17x = 205,646,523.33
  5. Step 5: Solve for x
    x = 205,646,523.33/20,134.17
  6. Step 6: Final answer
    x = 10,213.81

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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.