Home / 20,015.35-30,023.64-6,867.54

Finding the Fourth Proportional to 20,015.35, 30,023.64 and 6,867.54

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Solution

The fourth proportional to 20,015.35, 30,023.64 and 6,867.54 is: 10,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.35 : 30,023.64 = 6,867.54 : x
  2. Step 2: Convert to fraction form
    20,015.35/30,023.64 = 6,867.54/x
  3. Step 3: Cross multiply
    20,015.35x = 30,023.64 × 6,867.54
  4. Step 4: Simplify right side
    20,015.35x = 206,188,548.65
  5. Step 5: Solve for x
    x = 206,188,548.65/20,015.35
  6. Step 6: Final answer
    x = 10,301.52

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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.