Home / 20,134.18-30,201.57-6,986.97

Finding the Fourth Proportional to 20,134.18, 30,201.57 and 6,986.97

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Solution

The fourth proportional to 20,134.18, 30,201.57 and 6,986.97 is: 10,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.18 : 30,201.57 = 6,986.97 : x
  2. Step 2: Convert to fraction form
    20,134.18/30,201.57 = 6,986.97/x
  3. Step 3: Cross multiply
    20,134.18x = 30,201.57 × 6,986.97
  4. Step 4: Simplify right side
    20,134.18x = 211,017,463.54
  5. Step 5: Solve for x
    x = 211,017,463.54/20,134.18
  6. Step 6: Final answer
    x = 10,480.56

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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.