Home / 19,997.05-29,996.40-6,858.46

Finding the Fourth Proportional to 19,997.05, 29,996.40 and 6,858.46

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Solution

The fourth proportional to 19,997.05, 29,996.40 and 6,858.46 is: 10,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.05 : 29,996.40 = 6,858.46 : x
  2. Step 2: Convert to fraction form
    19,997.05/29,996.40 = 6,858.46/x
  3. Step 3: Cross multiply
    19,997.05x = 29,996.40 × 6,858.46
  4. Step 4: Simplify right side
    19,997.05x = 205,729,109.54
  5. Step 5: Solve for x
    x = 205,729,109.54/19,997.05
  6. Step 6: Final answer
    x = 10,287.97

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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.