Home / 20,884.41-31,333.11-6,844.56

Finding the Fourth Proportional to 20,884.41, 31,333.11 and 6,844.56

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Solution

The fourth proportional to 20,884.41, 31,333.11 and 6,844.56 is: 10,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.41 : 31,333.11 = 6,844.56 : x
  2. Step 2: Convert to fraction form
    20,884.41/31,333.11 = 6,844.56/x
  3. Step 3: Cross multiply
    20,884.41x = 31,333.11 × 6,844.56
  4. Step 4: Simplify right side
    20,884.41x = 214,461,351.38
  5. Step 5: Solve for x
    x = 214,461,351.38/20,884.41
  6. Step 6: Final answer
    x = 10,268.97

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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.