Home / 13,192.25-18,205.50-7,224.48

Finding the Fourth Proportional to 13,192.25, 18,205.50 and 7,224.48

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Solution

The fourth proportional to 13,192.25, 18,205.50 and 7,224.48 is: 9,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.25 : 18,205.50 = 7,224.48 : x
  2. Step 2: Convert to fraction form
    13,192.25/18,205.50 = 7,224.48/x
  3. Step 3: Cross multiply
    13,192.25x = 18,205.50 × 7,224.48
  4. Step 4: Simplify right side
    13,192.25x = 131,525,270.64
  5. Step 5: Solve for x
    x = 131,525,270.64/13,192.25
  6. Step 6: Final answer
    x = 9,969.89

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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.