Home / 20,016.15-30,028.33-6,687.58

Finding the Fourth Proportional to 20,016.15, 30,028.33 and 6,687.58

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Solution

The fourth proportional to 20,016.15, 30,028.33 and 6,687.58 is: 10,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.15 : 30,028.33 = 6,687.58 : x
  2. Step 2: Convert to fraction form
    20,016.15/30,028.33 = 6,687.58/x
  3. Step 3: Cross multiply
    20,016.15x = 30,028.33 × 6,687.58
  4. Step 4: Simplify right side
    20,016.15x = 200,816,859.14
  5. Step 5: Solve for x
    x = 200,816,859.14/20,016.15
  6. Step 6: Final answer
    x = 10,032.74

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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.