Home / 11,843.36-17,761.95-3,521.14

Finding the Fourth Proportional to 11,843.36, 17,761.95 and 3,521.14

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Solution

The fourth proportional to 11,843.36, 17,761.95 and 3,521.14 is: 5,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.36 : 17,761.95 = 3,521.14 : x
  2. Step 2: Convert to fraction form
    11,843.36/17,761.95 = 3,521.14/x
  3. Step 3: Cross multiply
    11,843.36x = 17,761.95 × 3,521.14
  4. Step 4: Simplify right side
    11,843.36x = 62,542,268.22
  5. Step 5: Solve for x
    x = 62,542,268.22/11,843.36
  6. Step 6: Final answer
    x = 5,280.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.