Home / 11,178.46-16,767.67-2,858.48

Finding the Fourth Proportional to 11,178.46, 16,767.67 and 2,858.48

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Solution

The fourth proportional to 11,178.46, 16,767.67 and 2,858.48 is: 4,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.46 : 16,767.67 = 2,858.48 : x
  2. Step 2: Convert to fraction form
    11,178.46/16,767.67 = 2,858.48/x
  3. Step 3: Cross multiply
    11,178.46x = 16,767.67 × 2,858.48
  4. Step 4: Simplify right side
    11,178.46x = 47,930,049.34
  5. Step 5: Solve for x
    x = 47,930,049.34/11,178.46
  6. Step 6: Final answer
    x = 4,287.71

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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.