Home / 11,309.62-16,961.07-4,284.43

Finding the Fourth Proportional to 11,309.62, 16,961.07 and 4,284.43

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Solution

The fourth proportional to 11,309.62, 16,961.07 and 4,284.43 is: 6,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.62 : 16,961.07 = 4,284.43 : x
  2. Step 2: Convert to fraction form
    11,309.62/16,961.07 = 4,284.43/x
  3. Step 3: Cross multiply
    11,309.62x = 16,961.07 × 4,284.43
  4. Step 4: Simplify right side
    11,309.62x = 72,668,517.14
  5. Step 5: Solve for x
    x = 72,668,517.14/11,309.62
  6. Step 6: Final answer
    x = 6,425.37

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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.