Home / 20,255.06-30,383.30-5,464.36

Finding the Fourth Proportional to 20,255.06, 30,383.30 and 5,464.36

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Solution

The fourth proportional to 20,255.06, 30,383.30 and 5,464.36 is: 8,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.06 : 30,383.30 = 5,464.36 : x
  2. Step 2: Convert to fraction form
    20,255.06/30,383.30 = 5,464.36/x
  3. Step 3: Cross multiply
    20,255.06x = 30,383.30 × 5,464.36
  4. Step 4: Simplify right side
    20,255.06x = 166,025,340.83
  5. Step 5: Solve for x
    x = 166,025,340.83/20,255.06
  6. Step 6: Final answer
    x = 8,196.73

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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.