Home / 11,511.05-15,884.66-6,794.42

Finding the Fourth Proportional to 11,511.05, 15,884.66 and 6,794.42

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Solution

The fourth proportional to 11,511.05, 15,884.66 and 6,794.42 is: 9,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.05 : 15,884.66 = 6,794.42 : x
  2. Step 2: Convert to fraction form
    11,511.05/15,884.66 = 6,794.42/x
  3. Step 3: Cross multiply
    11,511.05x = 15,884.66 × 6,794.42
  4. Step 4: Simplify right side
    11,511.05x = 107,926,989.16
  5. Step 5: Solve for x
    x = 107,926,989.16/11,511.05
  6. Step 6: Final answer
    x = 9,375.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.