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Finding the Fourth Proportional to 11,049.78, 15,248.97 and 6,799.26

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Solution

The fourth proportional to 11,049.78, 15,248.97 and 6,799.26 is: 9,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.78 : 15,248.97 = 6,799.26 : x
  2. Step 2: Convert to fraction form
    11,049.78/15,248.97 = 6,799.26/x
  3. Step 3: Cross multiply
    11,049.78x = 15,248.97 × 6,799.26
  4. Step 4: Simplify right side
    11,049.78x = 103,681,711.76
  5. Step 5: Solve for x
    x = 103,681,711.76/11,049.78
  6. Step 6: Final answer
    x = 9,383.15

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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.