Home / 13,331.25-18,397.13-8,026.29

Finding the Fourth Proportional to 13,331.25, 18,397.13 and 8,026.29

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Solution

The fourth proportional to 13,331.25, 18,397.13 and 8,026.29 is: 11,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.25 : 18,397.13 = 8,026.29 : x
  2. Step 2: Convert to fraction form
    13,331.25/18,397.13 = 8,026.29/x
  3. Step 3: Cross multiply
    13,331.25x = 18,397.13 × 8,026.29
  4. Step 4: Simplify right side
    13,331.25x = 147,660,660.42
  5. Step 5: Solve for x
    x = 147,660,660.42/13,331.25
  6. Step 6: Final answer
    x = 11,076.28

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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.