Home / 20,896.97-31,323.41-6,853.33

Finding the Fourth Proportional to 20,896.97, 31,323.41 and 6,853.33

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Solution

The fourth proportional to 20,896.97, 31,323.41 and 6,853.33 is: 10,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896.97 : 31,323.41 = 6,853.33 : x
  2. Step 2: Convert to fraction form
    20,896.97/31,323.41 = 6,853.33/x
  3. Step 3: Cross multiply
    20,896.97x = 31,323.41 × 6,853.33
  4. Step 4: Simplify right side
    20,896.97x = 214,669,474.57
  5. Step 5: Solve for x
    x = 214,669,474.57/20,896.97
  6. Step 6: Final answer
    x = 10,272.76

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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.