Home / 9,994.23-13,791.75-5,517.87

Finding the Fourth Proportional to 9,994.23, 13,791.75 and 5,517.87

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Solution

The fourth proportional to 9,994.23, 13,791.75 and 5,517.87 is: 7,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.23 : 13,791.75 = 5,517.87 : x
  2. Step 2: Convert to fraction form
    9,994.23/13,791.75 = 5,517.87/x
  3. Step 3: Cross multiply
    9,994.23x = 13,791.75 × 5,517.87
  4. Step 4: Simplify right side
    9,994.23x = 76,101,083.57
  5. Step 5: Solve for x
    x = 76,101,083.57/9,994.23
  6. Step 6: Final answer
    x = 7,614.50

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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.