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Finding the Fourth Proportional to 12,192, 16,825.08 and 6,603.12

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Solution

The fourth proportional to 12,192, 16,825.08 and 6,603.12 is: 9,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192 : 16,825.08 = 6,603.12 : x
  2. Step 2: Convert to fraction form
    12,192/16,825.08 = 6,603.12/x
  3. Step 3: Cross multiply
    12,192x = 16,825.08 × 6,603.12
  4. Step 4: Simplify right side
    12,192x = 111,098,022.25
  5. Step 5: Solve for x
    x = 111,098,022.25/12,192
  6. Step 6: Final answer
    x = 9,112.37

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1.5x scale

Why These Related Problems?

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