Home / 11,765.20-16,234.20-6,727.60

Finding the Fourth Proportional to 11,765.20, 16,234.20 and 6,727.60

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Solution

The fourth proportional to 11,765.20, 16,234.20 and 6,727.60 is: 9,283.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.20 : 16,234.20 = 6,727.60 : x
  2. Step 2: Convert to fraction form
    11,765.20/16,234.20 = 6,727.60/x
  3. Step 3: Cross multiply
    11,765.20x = 16,234.20 × 6,727.60
  4. Step 4: Simplify right side
    11,765.20x = 109,217,203.92
  5. Step 5: Solve for x
    x = 109,217,203.92/11,765.20
  6. Step 6: Final answer
    x = 9,283.07

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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.