Home / 11,515.07-17,272.61-3,195.09

Finding the Fourth Proportional to 11,515.07, 17,272.61 and 3,195.09

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Solution

The fourth proportional to 11,515.07, 17,272.61 and 3,195.09 is: 4,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.07 : 17,272.61 = 3,195.09 : x
  2. Step 2: Convert to fraction form
    11,515.07/17,272.61 = 3,195.09/x
  3. Step 3: Cross multiply
    11,515.07x = 17,272.61 × 3,195.09
  4. Step 4: Simplify right side
    11,515.07x = 55,187,527.51
  5. Step 5: Solve for x
    x = 55,187,527.51/11,515.07
  6. Step 6: Final answer
    x = 4,792.64

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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.