Home / 20,231.16-30,354.84-7,092.96

Finding the Fourth Proportional to 20,231.16, 30,354.84 and 7,092.96

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Solution

The fourth proportional to 20,231.16, 30,354.84 and 7,092.96 is: 10,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.16 : 30,354.84 = 7,092.96 : x
  2. Step 2: Convert to fraction form
    20,231.16/30,354.84 = 7,092.96/x
  3. Step 3: Cross multiply
    20,231.16x = 30,354.84 × 7,092.96
  4. Step 4: Simplify right side
    20,231.16x = 215,305,665.93
  5. Step 5: Solve for x
    x = 215,305,665.93/20,231.16
  6. Step 6: Final answer
    x = 10,642.28

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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.