Home / 11,290.66-16,936.39-3,895.36

Finding the Fourth Proportional to 11,290.66, 16,936.39 and 3,895.36

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Solution

The fourth proportional to 11,290.66, 16,936.39 and 3,895.36 is: 5,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.66 : 16,936.39 = 3,895.36 : x
  2. Step 2: Convert to fraction form
    11,290.66/16,936.39 = 3,895.36/x
  3. Step 3: Cross multiply
    11,290.66x = 16,936.39 × 3,895.36
  4. Step 4: Simplify right side
    11,290.66x = 65,973,336.15
  5. Step 5: Solve for x
    x = 65,973,336.15/11,290.66
  6. Step 6: Final answer
    x = 5,843.18

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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.