Home / 11,189.16-16,782.66-3,398.04

Finding the Fourth Proportional to 11,189.16, 16,782.66 and 3,398.04

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Solution

The fourth proportional to 11,189.16, 16,782.66 and 3,398.04 is: 5,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.16 : 16,782.66 = 3,398.04 : x
  2. Step 2: Convert to fraction form
    11,189.16/16,782.66 = 3,398.04/x
  3. Step 3: Cross multiply
    11,189.16x = 16,782.66 × 3,398.04
  4. Step 4: Simplify right side
    11,189.16x = 57,028,149.99
  5. Step 5: Solve for x
    x = 57,028,149.99/11,189.16
  6. Step 6: Final answer
    x = 5,096.73

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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.