Home / 11,335.68-17,011.26-3,940.07

Finding the Fourth Proportional to 11,335.68, 17,011.26 and 3,940.07

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Solution

The fourth proportional to 11,335.68, 17,011.26 and 3,940.07 is: 5,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.68 : 17,011.26 = 3,940.07 : x
  2. Step 2: Convert to fraction form
    11,335.68/17,011.26 = 3,940.07/x
  3. Step 3: Cross multiply
    11,335.68x = 17,011.26 × 3,940.07
  4. Step 4: Simplify right side
    11,335.68x = 67,025,470.13
  5. Step 5: Solve for x
    x = 67,025,470.13/11,335.68
  6. Step 6: Final answer
    x = 5,912.79

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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.