Home / 10,855.26-16,282.27-4,190.46

Finding the Fourth Proportional to 10,855.26, 16,282.27 and 4,190.46

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Solution

The fourth proportional to 10,855.26, 16,282.27 and 4,190.46 is: 6,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.26 : 16,282.27 = 4,190.46 : x
  2. Step 2: Convert to fraction form
    10,855.26/16,282.27 = 4,190.46/x
  3. Step 3: Cross multiply
    10,855.26x = 16,282.27 × 4,190.46
  4. Step 4: Simplify right side
    10,855.26x = 68,230,098.78
  5. Step 5: Solve for x
    x = 68,230,098.78/10,855.26
  6. Step 6: Final answer
    x = 6,285.44

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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.