Home / 19,964.82-29,965.62-10,110.96

Finding the Fourth Proportional to 19,964.82, 29,965.62 and 10,110.96

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Solution

The fourth proportional to 19,964.82, 29,965.62 and 10,110.96 is: 15,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.82 : 29,965.62 = 10,110.96 : x
  2. Step 2: Convert to fraction form
    19,964.82/29,965.62 = 10,110.96/x
  3. Step 3: Cross multiply
    19,964.82x = 29,965.62 × 10,110.96
  4. Step 4: Simplify right side
    19,964.82x = 302,981,185.20
  5. Step 5: Solve for x
    x = 302,981,185.20/19,964.82
  6. Step 6: Final answer
    x = 15,175.75

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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.