Home / 11,786.20-16,263.78-6,751.60

Finding the Fourth Proportional to 11,786.20, 16,263.78 and 6,751.60

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Solution

The fourth proportional to 11,786.20, 16,263.78 and 6,751.60 is: 9,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.20 : 16,263.78 = 6,751.60 : x
  2. Step 2: Convert to fraction form
    11,786.20/16,263.78 = 6,751.60/x
  3. Step 3: Cross multiply
    11,786.20x = 16,263.78 × 6,751.60
  4. Step 4: Simplify right side
    11,786.20x = 109,806,537.05
  5. Step 5: Solve for x
    x = 109,806,537.05/11,786.20
  6. Step 6: Final answer
    x = 9,316.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.