Home / 11,351.39-17,027.21-3,455.19

Finding the Fourth Proportional to 11,351.39, 17,027.21 and 3,455.19

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Solution

The fourth proportional to 11,351.39, 17,027.21 and 3,455.19 is: 5,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.39 : 17,027.21 = 3,455.19 : x
  2. Step 2: Convert to fraction form
    11,351.39/17,027.21 = 3,455.19/x
  3. Step 3: Cross multiply
    11,351.39x = 17,027.21 × 3,455.19
  4. Step 4: Simplify right side
    11,351.39x = 58,832,245.72
  5. Step 5: Solve for x
    x = 58,832,245.72/11,351.39
  6. Step 6: Final answer
    x = 5,182.82

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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.