Home / 22,912.20-34,368.30-8,137.80

Finding the Fourth Proportional to 22,912.20, 34,368.30 and 8,137.80

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Solution

The fourth proportional to 22,912.20, 34,368.30 and 8,137.80 is: 12,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,912.20 : 34,368.30 = 8,137.80 : x
  2. Step 2: Convert to fraction form
    22,912.20/34,368.30 = 8,137.80/x
  3. Step 3: Cross multiply
    22,912.20x = 34,368.30 × 8,137.80
  4. Step 4: Simplify right side
    22,912.20x = 279,682,351.74
  5. Step 5: Solve for x
    x = 279,682,351.74/22,912.20
  6. Step 6: Final answer
    x = 12,206.70

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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.