Home / 11,143.26-15,377.16-6,669.48

Finding the Fourth Proportional to 11,143.26, 15,377.16 and 6,669.48

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Solution

The fourth proportional to 11,143.26, 15,377.16 and 6,669.48 is: 9,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.26 : 15,377.16 = 6,669.48 : x
  2. Step 2: Convert to fraction form
    11,143.26/15,377.16 = 6,669.48/x
  3. Step 3: Cross multiply
    11,143.26x = 15,377.16 × 6,669.48
  4. Step 4: Simplify right side
    11,143.26x = 102,557,661.08
  5. Step 5: Solve for x
    x = 102,557,661.08/11,143.26
  6. Step 6: Final answer
    x = 9,203.56

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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.