Home / 13,176.38-18,183.86-7,511.97

Finding the Fourth Proportional to 13,176.38, 18,183.86 and 7,511.97

Calculator

Solution

The fourth proportional to 13,176.38, 18,183.86 and 7,511.97 is: 10,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.38 : 18,183.86 = 7,511.97 : x
  2. Step 2: Convert to fraction form
    13,176.38/18,183.86 = 7,511.97/x
  3. Step 3: Cross multiply
    13,176.38x = 18,183.86 × 7,511.97
  4. Step 4: Simplify right side
    13,176.38x = 136,596,573.24
  5. Step 5: Solve for x
    x = 136,596,573.24/13,176.38
  6. Step 6: Final answer
    x = 10,366.78

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.