Home / 9,949.36-13,729.28-5,757.88

Finding the Fourth Proportional to 9,949.36, 13,729.28 and 5,757.88

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Solution

The fourth proportional to 9,949.36, 13,729.28 and 5,757.88 is: 7,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.36 : 13,729.28 = 5,757.88 : x
  2. Step 2: Convert to fraction form
    9,949.36/13,729.28 = 5,757.88/x
  3. Step 3: Cross multiply
    9,949.36x = 13,729.28 × 5,757.88
  4. Step 4: Simplify right side
    9,949.36x = 79,051,546.73
  5. Step 5: Solve for x
    x = 79,051,546.73/9,949.36
  6. Step 6: Final answer
    x = 7,945.39

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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.