Home / 10,817.56-16,226.91-3,422.80

Finding the Fourth Proportional to 10,817.56, 16,226.91 and 3,422.80

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Solution

The fourth proportional to 10,817.56, 16,226.91 and 3,422.80 is: 5,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.56 : 16,226.91 = 3,422.80 : x
  2. Step 2: Convert to fraction form
    10,817.56/16,226.91 = 3,422.80/x
  3. Step 3: Cross multiply
    10,817.56x = 16,226.91 × 3,422.80
  4. Step 4: Simplify right side
    10,817.56x = 55,541,467.55
  5. Step 5: Solve for x
    x = 55,541,467.55/10,817.56
  6. Step 6: Final answer
    x = 5,134.38

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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.