Home / 20,481.26-30,738.29-9,393.17

Finding the Fourth Proportional to 20,481.26, 30,738.29 and 9,393.17

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Solution

The fourth proportional to 20,481.26, 30,738.29 and 9,393.17 is: 14,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,481.26 : 30,738.29 = 9,393.17 : x
  2. Step 2: Convert to fraction form
    20,481.26/30,738.29 = 9,393.17/x
  3. Step 3: Cross multiply
    20,481.26x = 30,738.29 × 9,393.17
  4. Step 4: Simplify right side
    20,481.26x = 288,729,782.82
  5. Step 5: Solve for x
    x = 288,729,782.82/20,481.26
  6. Step 6: Final answer
    x = 14,097.27

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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.