Home / 20,461.26-30,694.92-6,422.44

Finding the Fourth Proportional to 20,461.26, 30,694.92 and 6,422.44

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Solution

The fourth proportional to 20,461.26, 30,694.92 and 6,422.44 is: 9,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,461.26 : 30,694.92 = 6,422.44 : x
  2. Step 2: Convert to fraction form
    20,461.26/30,694.92 = 6,422.44/x
  3. Step 3: Cross multiply
    20,461.26x = 30,694.92 × 6,422.44
  4. Step 4: Simplify right side
    20,461.26x = 197,136,282.00
  5. Step 5: Solve for x
    x = 197,136,282.00/20,461.26
  6. Step 6: Final answer
    x = 9,634.61

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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.