Home / 11,270.68-16,906.24-3,479.49

Finding the Fourth Proportional to 11,270.68, 16,906.24 and 3,479.49

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Solution

The fourth proportional to 11,270.68, 16,906.24 and 3,479.49 is: 5,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.68 : 16,906.24 = 3,479.49 : x
  2. Step 2: Convert to fraction form
    11,270.68/16,906.24 = 3,479.49/x
  3. Step 3: Cross multiply
    11,270.68x = 16,906.24 × 3,479.49
  4. Step 4: Simplify right side
    11,270.68x = 58,825,097.37
  5. Step 5: Solve for x
    x = 58,825,097.37/11,270.68
  6. Step 6: Final answer
    x = 5,219.30

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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.