Home / 10,626.69-15,940.86-3,231.79

Finding the Fourth Proportional to 10,626.69, 15,940.86 and 3,231.79

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Solution

The fourth proportional to 10,626.69, 15,940.86 and 3,231.79 is: 4,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.69 : 15,940.86 = 3,231.79 : x
  2. Step 2: Convert to fraction form
    10,626.69/15,940.86 = 3,231.79/x
  3. Step 3: Cross multiply
    10,626.69x = 15,940.86 × 3,231.79
  4. Step 4: Simplify right side
    10,626.69x = 51,517,511.94
  5. Step 5: Solve for x
    x = 51,517,511.94/10,626.69
  6. Step 6: Final answer
    x = 4,847.94

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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.