Home / 22,274.70-33,399.90-9,112.20

Finding the Fourth Proportional to 22,274.70, 33,399.90 and 9,112.20

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Solution

The fourth proportional to 22,274.70, 33,399.90 and 9,112.20 is: 13,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.70 : 33,399.90 = 9,112.20 : x
  2. Step 2: Convert to fraction form
    22,274.70/33,399.90 = 9,112.20/x
  3. Step 3: Cross multiply
    22,274.70x = 33,399.90 × 9,112.20
  4. Step 4: Simplify right side
    22,274.70x = 304,346,568.78
  5. Step 5: Solve for x
    x = 304,346,568.78/22,274.70
  6. Step 6: Final answer
    x = 13,663.33

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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.