Home / 11,309.25-16,971.18-4,383.75

Finding the Fourth Proportional to 11,309.25, 16,971.18 and 4,383.75

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Solution

The fourth proportional to 11,309.25, 16,971.18 and 4,383.75 is: 6,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.25 : 16,971.18 = 4,383.75 : x
  2. Step 2: Convert to fraction form
    11,309.25/16,971.18 = 4,383.75/x
  3. Step 3: Cross multiply
    11,309.25x = 16,971.18 × 4,383.75
  4. Step 4: Simplify right side
    11,309.25x = 74,397,410.33
  5. Step 5: Solve for x
    x = 74,397,410.33/11,309.25
  6. Step 6: Final answer
    x = 6,578.46

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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.