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Finding the Fourth Proportional to 12,552.69, 17,322.13 and 6,887.31

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Solution

The fourth proportional to 12,552.69, 17,322.13 and 6,887.31 is: 9,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.69 : 17,322.13 = 6,887.31 : x
  2. Step 2: Convert to fraction form
    12,552.69/17,322.13 = 6,887.31/x
  3. Step 3: Cross multiply
    12,552.69x = 17,322.13 × 6,887.31
  4. Step 4: Simplify right side
    12,552.69x = 119,302,861.95
  5. Step 5: Solve for x
    x = 119,302,861.95/12,552.69
  6. Step 6: Final answer
    x = 9,504.17

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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.