Home / 20,843.93-31,270.87-6,803.97

Finding the Fourth Proportional to 20,843.93, 31,270.87 and 6,803.97

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Solution

The fourth proportional to 20,843.93, 31,270.87 and 6,803.97 is: 10,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.93 : 31,270.87 = 6,803.97 : x
  2. Step 2: Convert to fraction form
    20,843.93/31,270.87 = 6,803.97/x
  3. Step 3: Cross multiply
    20,843.93x = 31,270.87 × 6,803.97
  4. Step 4: Simplify right side
    20,843.93x = 212,766,105.51
  5. Step 5: Solve for x
    x = 212,766,105.51/20,843.93
  6. Step 6: Final answer
    x = 10,207.58

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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.