Home / 11,968.68-17,940.42-5,724.84

Finding the Fourth Proportional to 11,968.68, 17,940.42 and 5,724.84

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Solution

The fourth proportional to 11,968.68, 17,940.42 and 5,724.84 is: 8,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.68 : 17,940.42 = 5,724.84 : x
  2. Step 2: Convert to fraction form
    11,968.68/17,940.42 = 5,724.84/x
  3. Step 3: Cross multiply
    11,968.68x = 17,940.42 × 5,724.84
  4. Step 4: Simplify right side
    11,968.68x = 102,706,034.03
  5. Step 5: Solve for x
    x = 102,706,034.03/11,968.68
  6. Step 6: Final answer
    x = 8,581.23

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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.