Home / 13,091.24-18,072.60-10,100.36

Finding the Fourth Proportional to 13,091.24, 18,072.60 and 10,100.36

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Solution

The fourth proportional to 13,091.24, 18,072.60 and 10,100.36 is: 13,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.24 : 18,072.60 = 10,100.36 : x
  2. Step 2: Convert to fraction form
    13,091.24/18,072.60 = 10,100.36/x
  3. Step 3: Cross multiply
    13,091.24x = 18,072.60 × 10,100.36
  4. Step 4: Simplify right side
    13,091.24x = 182,539,766.14
  5. Step 5: Solve for x
    x = 182,539,766.14/13,091.24
  6. Step 6: Final answer
    x = 13,943.66

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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.