Home / 11,719.42-17,581.66-3,399.81

Finding the Fourth Proportional to 11,719.42, 17,581.66 and 3,399.81

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Solution

The fourth proportional to 11,719.42, 17,581.66 and 3,399.81 is: 5,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.42 : 17,581.66 = 3,399.81 : x
  2. Step 2: Convert to fraction form
    11,719.42/17,581.66 = 3,399.81/x
  3. Step 3: Cross multiply
    11,719.42x = 17,581.66 × 3,399.81
  4. Step 4: Simplify right side
    11,719.42x = 59,774,229.05
  5. Step 5: Solve for x
    x = 59,774,229.05/11,719.42
  6. Step 6: Final answer
    x = 5,100.44

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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.