Home / 13,237.97-18,272.50-8,522.25

Finding the Fourth Proportional to 13,237.97, 18,272.50 and 8,522.25

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Solution

The fourth proportional to 13,237.97, 18,272.50 and 8,522.25 is: 11,763.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.97 : 18,272.50 = 8,522.25 : x
  2. Step 2: Convert to fraction form
    13,237.97/18,272.50 = 8,522.25/x
  3. Step 3: Cross multiply
    13,237.97x = 18,272.50 × 8,522.25
  4. Step 4: Simplify right side
    13,237.97x = 155,722,791.82
  5. Step 5: Solve for x
    x = 155,722,791.82/13,237.97
  6. Step 6: Final answer
    x = 11,763.34

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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.