Home / 15,781.82-23,665.44-5,914.04

Finding the Fourth Proportional to 15,781.82, 23,665.44 and 5,914.04

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Solution

The fourth proportional to 15,781.82, 23,665.44 and 5,914.04 is: 8,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.82 : 23,665.44 = 5,914.04 : x
  2. Step 2: Convert to fraction form
    15,781.82/23,665.44 = 5,914.04/x
  3. Step 3: Cross multiply
    15,781.82x = 23,665.44 × 5,914.04
  4. Step 4: Simplify right side
    15,781.82x = 139,958,358.78
  5. Step 5: Solve for x
    x = 139,958,358.78/15,781.82
  6. Step 6: Final answer
    x = 8,868.33

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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.