Home / 11,891.05-17,836.57-4,099.25

Finding the Fourth Proportional to 11,891.05, 17,836.57 and 4,099.25

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Solution

The fourth proportional to 11,891.05, 17,836.57 and 4,099.25 is: 6,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.05 : 17,836.57 = 4,099.25 : x
  2. Step 2: Convert to fraction form
    11,891.05/17,836.57 = 4,099.25/x
  3. Step 3: Cross multiply
    11,891.05x = 17,836.57 × 4,099.25
  4. Step 4: Simplify right side
    11,891.05x = 73,116,539.08
  5. Step 5: Solve for x
    x = 73,116,539.08/11,891.05
  6. Step 6: Final answer
    x = 6,148.87

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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.