Home / 11,661.70-17,481.57-5,812.78

Finding the Fourth Proportional to 11,661.70, 17,481.57 and 5,812.78

Calculator

Solution

The fourth proportional to 11,661.70, 17,481.57 and 5,812.78 is: 8,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.70 : 17,481.57 = 5,812.78 : x
  2. Step 2: Convert to fraction form
    11,661.70/17,481.57 = 5,812.78/x
  3. Step 3: Cross multiply
    11,661.70x = 17,481.57 × 5,812.78
  4. Step 4: Simplify right side
    11,661.70x = 101,616,520.46
  5. Step 5: Solve for x
    x = 101,616,520.46/11,661.70
  6. Step 6: Final answer
    x = 8,713.70

Related Problems

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.