Home / 20,174.27-30,261.40-5,383.24

Finding the Fourth Proportional to 20,174.27, 30,261.40 and 5,383.24

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Solution

The fourth proportional to 20,174.27, 30,261.40 and 5,383.24 is: 8,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.27 : 30,261.40 = 5,383.24 : x
  2. Step 2: Convert to fraction form
    20,174.27/30,261.40 = 5,383.24/x
  3. Step 3: Cross multiply
    20,174.27x = 30,261.40 × 5,383.24
  4. Step 4: Simplify right side
    20,174.27x = 162,904,227.63
  5. Step 5: Solve for x
    x = 162,904,227.63/20,174.27
  6. Step 6: Final answer
    x = 8,074.85

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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.