Home / 22,238.05-33,354.19-8,385.25

Finding the Fourth Proportional to 22,238.05, 33,354.19 and 8,385.25

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Solution

The fourth proportional to 22,238.05, 33,354.19 and 8,385.25 is: 12,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.05 : 33,354.19 = 8,385.25 : x
  2. Step 2: Convert to fraction form
    22,238.05/33,354.19 = 8,385.25/x
  3. Step 3: Cross multiply
    22,238.05x = 33,354.19 × 8,385.25
  4. Step 4: Simplify right side
    22,238.05x = 279,683,221.70
  5. Step 5: Solve for x
    x = 279,683,221.70/22,238.05
  6. Step 6: Final answer
    x = 12,576.79

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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.