Home / 10,786.98-16,154.94-6,879.54

Finding the Fourth Proportional to 10,786.98, 16,154.94 and 6,879.54

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Solution

The fourth proportional to 10,786.98, 16,154.94 and 6,879.54 is: 10,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.98 : 16,154.94 = 6,879.54 : x
  2. Step 2: Convert to fraction form
    10,786.98/16,154.94 = 6,879.54/x
  3. Step 3: Cross multiply
    10,786.98x = 16,154.94 × 6,879.54
  4. Step 4: Simplify right side
    10,786.98x = 111,138,555.93
  5. Step 5: Solve for x
    x = 111,138,555.93/10,786.98
  6. Step 6: Final answer
    x = 10,303.03

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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.