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Finding the Fourth Proportional to 12,383.26, 17,072.04 and 8,840.32

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Solution

The fourth proportional to 12,383.26, 17,072.04 and 8,840.32 is: 12,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.26 : 17,072.04 = 8,840.32 : x
  2. Step 2: Convert to fraction form
    12,383.26/17,072.04 = 8,840.32/x
  3. Step 3: Cross multiply
    12,383.26x = 17,072.04 × 8,840.32
  4. Step 4: Simplify right side
    12,383.26x = 150,922,296.65
  5. Step 5: Solve for x
    x = 150,922,296.65/12,383.26
  6. Step 6: Final answer
    x = 12,187.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.