Home / 11,521.21-17,282.13-3,201.25

Finding the Fourth Proportional to 11,521.21, 17,282.13 and 3,201.25

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Solution

The fourth proportional to 11,521.21, 17,282.13 and 3,201.25 is: 4,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.21 : 17,282.13 = 3,201.25 : x
  2. Step 2: Convert to fraction form
    11,521.21/17,282.13 = 3,201.25/x
  3. Step 3: Cross multiply
    11,521.21x = 17,282.13 × 3,201.25
  4. Step 4: Simplify right side
    11,521.21x = 55,324,418.66
  5. Step 5: Solve for x
    x = 55,324,418.66/11,521.21
  6. Step 6: Final answer
    x = 4,801.96

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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.