Home / 12,192.12-16,824.96-6,603.12

Finding the Fourth Proportional to 12,192.12, 16,824.96 and 6,603.12

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Solution

The fourth proportional to 12,192.12, 16,824.96 and 6,603.12 is: 9,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.12 : 16,824.96 = 6,603.12 : x
  2. Step 2: Convert to fraction form
    12,192.12/16,824.96 = 6,603.12/x
  3. Step 3: Cross multiply
    12,192.12x = 16,824.96 × 6,603.12
  4. Step 4: Simplify right side
    12,192.12x = 111,097,229.88
  5. Step 5: Solve for x
    x = 111,097,229.88/12,192.12
  6. Step 6: Final answer
    x = 9,112.22

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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.