Home / 19,489.82-29,234.93-5,449.88

Finding the Fourth Proportional to 19,489.82, 29,234.93 and 5,449.88

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Solution

The fourth proportional to 19,489.82, 29,234.93 and 5,449.88 is: 8,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.82 : 29,234.93 = 5,449.88 : x
  2. Step 2: Convert to fraction form
    19,489.82/29,234.93 = 5,449.88/x
  3. Step 3: Cross multiply
    19,489.82x = 29,234.93 × 5,449.88
  4. Step 4: Simplify right side
    19,489.82x = 159,326,906.15
  5. Step 5: Solve for x
    x = 159,326,906.15/19,489.82
  6. Step 6: Final answer
    x = 8,174.88

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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.