Home / 11,926.21-17,891.38-4,028.79

Finding the Fourth Proportional to 11,926.21, 17,891.38 and 4,028.79

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Solution

The fourth proportional to 11,926.21, 17,891.38 and 4,028.79 is: 6,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.21 : 17,891.38 = 4,028.79 : x
  2. Step 2: Convert to fraction form
    11,926.21/17,891.38 = 4,028.79/x
  3. Step 3: Cross multiply
    11,926.21x = 17,891.38 × 4,028.79
  4. Step 4: Simplify right side
    11,926.21x = 72,080,546.58
  5. Step 5: Solve for x
    x = 72,080,546.58/11,926.21
  6. Step 6: Final answer
    x = 6,043.87

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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.