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Finding the Fourth Proportional to 12,192.36, 16,825.50 and 6,603.36

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Solution

The fourth proportional to 12,192.36, 16,825.50 and 6,603.36 is: 9,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.36 : 16,825.50 = 6,603.36 : x
  2. Step 2: Convert to fraction form
    12,192.36/16,825.50 = 6,603.36/x
  3. Step 3: Cross multiply
    12,192.36x = 16,825.50 × 6,603.36
  4. Step 4: Simplify right side
    12,192.36x = 111,104,833.68
  5. Step 5: Solve for x
    x = 111,104,833.68/12,192.36
  6. Step 6: Final answer
    x = 9,112.66

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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.