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Finding the Fourth Proportional to 17,891.62, 26,826.96 and 6,799.14

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Solution

The fourth proportional to 17,891.62, 26,826.96 and 6,799.14 is: 10,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.62 : 26,826.96 = 6,799.14 : x
  2. Step 2: Convert to fraction form
    17,891.62/26,826.96 = 6,799.14/x
  3. Step 3: Cross multiply
    17,891.62x = 26,826.96 × 6,799.14
  4. Step 4: Simplify right side
    17,891.62x = 182,400,256.81
  5. Step 5: Solve for x
    x = 182,400,256.81/17,891.62
  6. Step 6: Final answer
    x = 10,194.73

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1.5x scale

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.