Home / 10,191.18-15,286.77-6,727.62

Finding the Fourth Proportional to 10,191.18, 15,286.77 and 6,727.62

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Solution

The fourth proportional to 10,191.18, 15,286.77 and 6,727.62 is: 10,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.18 : 15,286.77 = 6,727.62 : x
  2. Step 2: Convert to fraction form
    10,191.18/15,286.77 = 6,727.62/x
  3. Step 3: Cross multiply
    10,191.18x = 15,286.77 × 6,727.62
  4. Step 4: Simplify right side
    10,191.18x = 102,843,579.59
  5. Step 5: Solve for x
    x = 102,843,579.59/10,191.18
  6. Step 6: Final answer
    x = 10,091.43

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Similar ratio
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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.