Home / 11,181.24-16,771.68-2,861.18

Finding the Fourth Proportional to 11,181.24, 16,771.68 and 2,861.18

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Solution

The fourth proportional to 11,181.24, 16,771.68 and 2,861.18 is: 4,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.24 : 16,771.68 = 2,861.18 : x
  2. Step 2: Convert to fraction form
    11,181.24/16,771.68 = 2,861.18/x
  3. Step 3: Cross multiply
    11,181.24x = 16,771.68 × 2,861.18
  4. Step 4: Simplify right side
    11,181.24x = 47,986,795.38
  5. Step 5: Solve for x
    x = 47,986,795.38/11,181.24
  6. Step 6: Final answer
    x = 4,291.72

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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.