Home / 22,160.69-33,243.77-8,120.15

Finding the Fourth Proportional to 22,160.69, 33,243.77 and 8,120.15

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Solution

The fourth proportional to 22,160.69, 33,243.77 and 8,120.15 is: 12,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.69 : 33,243.77 = 8,120.15 : x
  2. Step 2: Convert to fraction form
    22,160.69/33,243.77 = 8,120.15/x
  3. Step 3: Cross multiply
    22,160.69x = 33,243.77 × 8,120.15
  4. Step 4: Simplify right side
    22,160.69x = 269,944,332.04
  5. Step 5: Solve for x
    x = 269,944,332.04/22,160.69
  6. Step 6: Final answer
    x = 12,181.22

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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.