Home / 13,192.84-18,206.36-7,224.44

Finding the Fourth Proportional to 13,192.84, 18,206.36 and 7,224.44

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Solution

The fourth proportional to 13,192.84, 18,206.36 and 7,224.44 is: 9,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.84 : 18,206.36 = 7,224.44 : x
  2. Step 2: Convert to fraction form
    13,192.84/18,206.36 = 7,224.44/x
  3. Step 3: Cross multiply
    13,192.84x = 18,206.36 × 7,224.44
  4. Step 4: Simplify right side
    13,192.84x = 131,530,755.44
  5. Step 5: Solve for x
    x = 131,530,755.44/13,192.84
  6. Step 6: Final answer
    x = 9,969.86

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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.