Home / 20,890.22-31,333.10-5,896.97

Finding the Fourth Proportional to 20,890.22, 31,333.10 and 5,896.97

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Solution

The fourth proportional to 20,890.22, 31,333.10 and 5,896.97 is: 8,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,890.22 : 31,333.10 = 5,896.97 : x
  2. Step 2: Convert to fraction form
    20,890.22/31,333.10 = 5,896.97/x
  3. Step 3: Cross multiply
    20,890.22x = 31,333.10 × 5,896.97
  4. Step 4: Simplify right side
    20,890.22x = 184,770,443.78
  5. Step 5: Solve for x
    x = 184,770,443.78/20,890.22
  6. Step 6: Final answer
    x = 8,844.83

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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.