Home / 11,234.28-16,855.20-7,069.44

Finding the Fourth Proportional to 11,234.28, 16,855.20 and 7,069.44

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Solution

The fourth proportional to 11,234.28, 16,855.20 and 7,069.44 is: 10,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.28 : 16,855.20 = 7,069.44 : x
  2. Step 2: Convert to fraction form
    11,234.28/16,855.20 = 7,069.44/x
  3. Step 3: Cross multiply
    11,234.28x = 16,855.20 × 7,069.44
  4. Step 4: Simplify right side
    11,234.28x = 119,156,825.09
  5. Step 5: Solve for x
    x = 119,156,825.09/11,234.28
  6. Step 6: Final answer
    x = 10,606.54

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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.