Home / 22,401.38-33,622.83-11,315.85

Finding the Fourth Proportional to 22,401.38, 33,622.83 and 11,315.85

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Solution

The fourth proportional to 22,401.38, 33,622.83 and 11,315.85 is: 16,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,401.38 : 33,622.83 = 11,315.85 : x
  2. Step 2: Convert to fraction form
    22,401.38/33,622.83 = 11,315.85/x
  3. Step 3: Cross multiply
    22,401.38x = 33,622.83 × 11,315.85
  4. Step 4: Simplify right side
    22,401.38x = 380,470,963.90
  5. Step 5: Solve for x
    x = 380,470,963.90/22,401.38
  6. Step 6: Final answer
    x = 16,984.27

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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.