Home / 11,899.06-17,850.41-3,578.13

Finding the Fourth Proportional to 11,899.06, 17,850.41 and 3,578.13

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Solution

The fourth proportional to 11,899.06, 17,850.41 and 3,578.13 is: 5,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.06 : 17,850.41 = 3,578.13 : x
  2. Step 2: Convert to fraction form
    11,899.06/17,850.41 = 3,578.13/x
  3. Step 3: Cross multiply
    11,899.06x = 17,850.41 × 3,578.13
  4. Step 4: Simplify right side
    11,899.06x = 63,871,087.53
  5. Step 5: Solve for x
    x = 63,871,087.53/11,899.06
  6. Step 6: Final answer
    x = 5,367.74

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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.