Home / 22,148.57-33,222.69-8,109.55

Finding the Fourth Proportional to 22,148.57, 33,222.69 and 8,109.55

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Solution

The fourth proportional to 22,148.57, 33,222.69 and 8,109.55 is: 12,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.57 : 33,222.69 = 8,109.55 : x
  2. Step 2: Convert to fraction form
    22,148.57/33,222.69 = 8,109.55/x
  3. Step 3: Cross multiply
    22,148.57x = 33,222.69 × 8,109.55
  4. Step 4: Simplify right side
    22,148.57x = 269,421,107.22
  5. Step 5: Solve for x
    x = 269,421,107.22/22,148.57
  6. Step 6: Final answer
    x = 12,164.27

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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.