Home / 30,863.94-46,286.37-11,139.99

Finding the Fourth Proportional to 30,863.94, 46,286.37 and 11,139.99

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Solution

The fourth proportional to 30,863.94, 46,286.37 and 11,139.99 is: 16,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,863.94 : 46,286.37 = 11,139.99 : x
  2. Step 2: Convert to fraction form
    30,863.94/46,286.37 = 11,139.99/x
  3. Step 3: Cross multiply
    30,863.94x = 46,286.37 × 11,139.99
  4. Step 4: Simplify right side
    30,863.94x = 515,629,698.94
  5. Step 5: Solve for x
    x = 515,629,698.94/30,863.94
  6. Step 6: Final answer
    x = 16,706.54

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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.