Home / 10,863.45-16,296.39-3,936.33

Finding the Fourth Proportional to 10,863.45, 16,296.39 and 3,936.33

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Solution

The fourth proportional to 10,863.45, 16,296.39 and 3,936.33 is: 5,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.45 : 16,296.39 = 3,936.33 : x
  2. Step 2: Convert to fraction form
    10,863.45/16,296.39 = 3,936.33/x
  3. Step 3: Cross multiply
    10,863.45x = 16,296.39 × 3,936.33
  4. Step 4: Simplify right side
    10,863.45x = 64,147,968.85
  5. Step 5: Solve for x
    x = 64,147,968.85/10,863.45
  6. Step 6: Final answer
    x = 5,904.94

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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.