Home / 11,016.29-15,198.30-7,241.49

Finding the Fourth Proportional to 11,016.29, 15,198.30 and 7,241.49

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Solution

The fourth proportional to 11,016.29, 15,198.30 and 7,241.49 is: 9,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.29 : 15,198.30 = 7,241.49 : x
  2. Step 2: Convert to fraction form
    11,016.29/15,198.30 = 7,241.49/x
  3. Step 3: Cross multiply
    11,016.29x = 15,198.30 × 7,241.49
  4. Step 4: Simplify right side
    11,016.29x = 110,058,337.47
  5. Step 5: Solve for x
    x = 110,058,337.47/11,016.29
  6. Step 6: Final answer
    x = 9,990.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.