Home / 11,276.46-16,912.13-4,257.23

Finding the Fourth Proportional to 11,276.46, 16,912.13 and 4,257.23

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Solution

The fourth proportional to 11,276.46, 16,912.13 and 4,257.23 is: 6,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.46 : 16,912.13 = 4,257.23 : x
  2. Step 2: Convert to fraction form
    11,276.46/16,912.13 = 4,257.23/x
  3. Step 3: Cross multiply
    11,276.46x = 16,912.13 × 4,257.23
  4. Step 4: Simplify right side
    11,276.46x = 71,998,721.35
  5. Step 5: Solve for x
    x = 71,998,721.35/11,276.46
  6. Step 6: Final answer
    x = 6,384.87

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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.