Home / 20,163.06-27,825.03-11,331.06

Finding the Fourth Proportional to 20,163.06, 27,825.03 and 11,331.06

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Solution

The fourth proportional to 20,163.06, 27,825.03 and 11,331.06 is: 15,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.06 : 27,825.03 = 11,331.06 : x
  2. Step 2: Convert to fraction form
    20,163.06/27,825.03 = 11,331.06/x
  3. Step 3: Cross multiply
    20,163.06x = 27,825.03 × 11,331.06
  4. Step 4: Simplify right side
    20,163.06x = 315,287,125.67
  5. Step 5: Solve for x
    x = 315,287,125.67/20,163.06
  6. Step 6: Final answer
    x = 15,636.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.