Home / 12,891.92-19,339.23-5,497.16

Finding the Fourth Proportional to 12,891.92, 19,339.23 and 5,497.16

Calculator

Solution

The fourth proportional to 12,891.92, 19,339.23 and 5,497.16 is: 8,246.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891.92 : 19,339.23 = 5,497.16 : x
  2. Step 2: Convert to fraction form
    12,891.92/19,339.23 = 5,497.16/x
  3. Step 3: Cross multiply
    12,891.92x = 19,339.23 × 5,497.16
  4. Step 4: Simplify right side
    12,891.92x = 106,310,841.59
  5. Step 5: Solve for x
    x = 106,310,841.59/12,891.92
  6. Step 6: Final answer
    x = 8,246.32

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.