Home / 9,405.39-14,103.08-3,163.33

Finding the Fourth Proportional to 9,405.39, 14,103.08 and 3,163.33

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Solution

The fourth proportional to 9,405.39, 14,103.08 and 3,163.33 is: 4,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.39 : 14,103.08 = 3,163.33 : x
  2. Step 2: Convert to fraction form
    9,405.39/14,103.08 = 3,163.33/x
  3. Step 3: Cross multiply
    9,405.39x = 14,103.08 × 3,163.33
  4. Step 4: Simplify right side
    9,405.39x = 44,612,709.73
  5. Step 5: Solve for x
    x = 44,612,709.73/9,405.39
  6. Step 6: Final answer
    x = 4,743.31

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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.