Home / 23,120.87-34,682.83-8,126.17

Finding the Fourth Proportional to 23,120.87, 34,682.83 and 8,126.17

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Solution

The fourth proportional to 23,120.87, 34,682.83 and 8,126.17 is: 12,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.87 : 34,682.83 = 8,126.17 : x
  2. Step 2: Convert to fraction form
    23,120.87/34,682.83 = 8,126.17/x
  3. Step 3: Cross multiply
    23,120.87x = 34,682.83 × 8,126.17
  4. Step 4: Simplify right side
    23,120.87x = 281,838,706.44
  5. Step 5: Solve for x
    x = 281,838,706.44/23,120.87
  6. Step 6: Final answer
    x = 12,189.80

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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.