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Finding the Fourth Proportional to 12,616.25, 17,403.30 and 7,310.34

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Solution

The fourth proportional to 12,616.25, 17,403.30 and 7,310.34 is: 10,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616.25 : 17,403.30 = 7,310.34 : x
  2. Step 2: Convert to fraction form
    12,616.25/17,403.30 = 7,310.34/x
  3. Step 3: Cross multiply
    12,616.25x = 17,403.30 × 7,310.34
  4. Step 4: Simplify right side
    12,616.25x = 127,224,040.12
  5. Step 5: Solve for x
    x = 127,224,040.12/12,616.25
  6. Step 6: Final answer
    x = 10,084.14

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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.