Home / 22,213.29-33,321.69-7,422.26

Finding the Fourth Proportional to 22,213.29, 33,321.69 and 7,422.26

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Solution

The fourth proportional to 22,213.29, 33,321.69 and 7,422.26 is: 11,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.29 : 33,321.69 = 7,422.26 : x
  2. Step 2: Convert to fraction form
    22,213.29/33,321.69 = 7,422.26/x
  3. Step 3: Cross multiply
    22,213.29x = 33,321.69 × 7,422.26
  4. Step 4: Simplify right side
    22,213.29x = 247,322,246.82
  5. Step 5: Solve for x
    x = 247,322,246.82/22,213.29
  6. Step 6: Final answer
    x = 11,133.98

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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.