Home / 20,015.10-30,023.25-6,867.27

Finding the Fourth Proportional to 20,015.10, 30,023.25 and 6,867.27

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Solution

The fourth proportional to 20,015.10, 30,023.25 and 6,867.27 is: 10,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.10 : 30,023.25 = 6,867.27 : x
  2. Step 2: Convert to fraction form
    20,015.10/30,023.25 = 6,867.27/x
  3. Step 3: Cross multiply
    20,015.10x = 30,023.25 × 6,867.27
  4. Step 4: Simplify right side
    20,015.10x = 206,177,764.03
  5. Step 5: Solve for x
    x = 206,177,764.03/20,015.10
  6. Step 6: Final answer
    x = 10,301.11

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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.