Home / 22,217.45-33,331.43-6,635.48

Finding the Fourth Proportional to 22,217.45, 33,331.43 and 6,635.48

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Solution

The fourth proportional to 22,217.45, 33,331.43 and 6,635.48 is: 9,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.45 : 33,331.43 = 6,635.48 : x
  2. Step 2: Convert to fraction form
    22,217.45/33,331.43 = 6,635.48/x
  3. Step 3: Cross multiply
    22,217.45x = 33,331.43 × 6,635.48
  4. Step 4: Simplify right side
    22,217.45x = 221,169,837.30
  5. Step 5: Solve for x
    x = 221,169,837.30/22,217.45
  6. Step 6: Final answer
    x = 9,954.78

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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.