Home / 23,178.75-34,766.51-12,091.70

Finding the Fourth Proportional to 23,178.75, 34,766.51 and 12,091.70

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Solution

The fourth proportional to 23,178.75, 34,766.51 and 12,091.70 is: 18,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.75 : 34,766.51 = 12,091.70 : x
  2. Step 2: Convert to fraction form
    23,178.75/34,766.51 = 12,091.70/x
  3. Step 3: Cross multiply
    23,178.75x = 34,766.51 × 12,091.70
  4. Step 4: Simplify right side
    23,178.75x = 420,385,974.68
  5. Step 5: Solve for x
    x = 420,385,974.68/23,178.75
  6. Step 6: Final answer
    x = 18,136.70

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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.