Home / 17,708.28-26,571.08-11,137.56

Finding the Fourth Proportional to 17,708.28, 26,571.08 and 11,137.56

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Solution

The fourth proportional to 17,708.28, 26,571.08 and 11,137.56 is: 16,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,708.28 : 26,571.08 = 11,137.56 : x
  2. Step 2: Convert to fraction form
    17,708.28/26,571.08 = 11,137.56/x
  3. Step 3: Cross multiply
    17,708.28x = 26,571.08 × 11,137.56
  4. Step 4: Simplify right side
    17,708.28x = 295,936,997.76
  5. Step 5: Solve for x
    x = 295,936,997.76/17,708.28
  6. Step 6: Final answer
    x = 16,711.79

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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.