Home / 20,992.97-31,480.04-6,196.70

Finding the Fourth Proportional to 20,992.97, 31,480.04 and 6,196.70

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Solution

The fourth proportional to 20,992.97, 31,480.04 and 6,196.70 is: 9,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,992.97 : 31,480.04 = 6,196.70 : x
  2. Step 2: Convert to fraction form
    20,992.97/31,480.04 = 6,196.70/x
  3. Step 3: Cross multiply
    20,992.97x = 31,480.04 × 6,196.70
  4. Step 4: Simplify right side
    20,992.97x = 195,072,458.06
  5. Step 5: Solve for x
    x = 195,072,458.06/20,992.97
  6. Step 6: Final answer
    x = 9,292.27

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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.