Home / 11,718.50-17,550.14-10,171.13

Finding the Fourth Proportional to 11,718.50, 17,550.14 and 10,171.13

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Solution

The fourth proportional to 11,718.50, 17,550.14 and 10,171.13 is: 15,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.50 : 17,550.14 = 10,171.13 : x
  2. Step 2: Convert to fraction form
    11,718.50/17,550.14 = 10,171.13/x
  3. Step 3: Cross multiply
    11,718.50x = 17,550.14 × 10,171.13
  4. Step 4: Simplify right side
    11,718.50x = 178,504,616.85
  5. Step 5: Solve for x
    x = 178,504,616.85/11,718.50
  6. Step 6: Final answer
    x = 15,232.73

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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.