Home / 12,883.25-19,327.62-3,998.39

Finding the Fourth Proportional to 12,883.25, 19,327.62 and 3,998.39

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Solution

The fourth proportional to 12,883.25, 19,327.62 and 3,998.39 is: 5,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883.25 : 19,327.62 = 3,998.39 : x
  2. Step 2: Convert to fraction form
    12,883.25/19,327.62 = 3,998.39/x
  3. Step 3: Cross multiply
    12,883.25x = 19,327.62 × 3,998.39
  4. Step 4: Simplify right side
    12,883.25x = 77,279,362.53
  5. Step 5: Solve for x
    x = 77,279,362.53/12,883.25
  6. Step 6: Final answer
    x = 5,998.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.