Home / 20,704.61-31,057.43-7,556.97

Finding the Fourth Proportional to 20,704.61, 31,057.43 and 7,556.97

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Solution

The fourth proportional to 20,704.61, 31,057.43 and 7,556.97 is: 11,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,704.61 : 31,057.43 = 7,556.97 : x
  2. Step 2: Convert to fraction form
    20,704.61/31,057.43 = 7,556.97/x
  3. Step 3: Cross multiply
    20,704.61x = 31,057.43 × 7,556.97
  4. Step 4: Simplify right side
    20,704.61x = 234,700,029.00
  5. Step 5: Solve for x
    x = 234,700,029.00/20,704.61
  6. Step 6: Final answer
    x = 11,335.64

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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.