Home / 10,776.24-16,161.60-4,198.80

Finding the Fourth Proportional to 10,776.24, 16,161.60 and 4,198.80

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Solution

The fourth proportional to 10,776.24, 16,161.60 and 4,198.80 is: 6,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.24 : 16,161.60 = 4,198.80 : x
  2. Step 2: Convert to fraction form
    10,776.24/16,161.60 = 4,198.80/x
  3. Step 3: Cross multiply
    10,776.24x = 16,161.60 × 4,198.80
  4. Step 4: Simplify right side
    10,776.24x = 67,859,326.08
  5. Step 5: Solve for x
    x = 67,859,326.08/10,776.24
  6. Step 6: Final answer
    x = 6,297.12

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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.