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Finding the Fourth Proportional to 17,455.44, 26,171 and 8,090.22

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Solution

The fourth proportional to 17,455.44, 26,171 and 8,090.22 is: 12,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.44 : 26,171 = 8,090.22 : x
  2. Step 2: Convert to fraction form
    17,455.44/26,171 = 8,090.22/x
  3. Step 3: Cross multiply
    17,455.44x = 26,171 × 8,090.22
  4. Step 4: Simplify right side
    17,455.44x = 211,729,147.62
  5. Step 5: Solve for x
    x = 211,729,147.62/17,455.44
  6. Step 6: Final answer
    x = 12,129.69

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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.