Home / 13,192.14-18,205.70-7,224.33

Finding the Fourth Proportional to 13,192.14, 18,205.70 and 7,224.33

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Solution

The fourth proportional to 13,192.14, 18,205.70 and 7,224.33 is: 9,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.14 : 18,205.70 = 7,224.33 : x
  2. Step 2: Convert to fraction form
    13,192.14/18,205.70 = 7,224.33/x
  3. Step 3: Cross multiply
    13,192.14x = 18,205.70 × 7,224.33
  4. Step 4: Simplify right side
    13,192.14x = 131,523,948.56
  5. Step 5: Solve for x
    x = 131,523,948.56/13,192.14
  6. Step 6: Final answer
    x = 9,969.87

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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.