Home / 11,004.92-15,165.79-7,855.64

Finding the Fourth Proportional to 11,004.92, 15,165.79 and 7,855.64

Calculator

Solution

The fourth proportional to 11,004.92, 15,165.79 and 7,855.64 is: 10,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.92 : 15,165.79 = 7,855.64 : x
  2. Step 2: Convert to fraction form
    11,004.92/15,165.79 = 7,855.64/x
  3. Step 3: Cross multiply
    11,004.92x = 15,165.79 × 7,855.64
  4. Step 4: Simplify right side
    11,004.92x = 119,136,891.09
  5. Step 5: Solve for x
    x = 119,136,891.09/11,004.92
  6. Step 6: Final answer
    x = 10,825.79

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.