Home / 20,068.68-27,694.30-11,115.64

Finding the Fourth Proportional to 20,068.68, 27,694.30 and 11,115.64

Calculator

Solution

The fourth proportional to 20,068.68, 27,694.30 and 11,115.64 is: 15,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.68 : 27,694.30 = 11,115.64 : x
  2. Step 2: Convert to fraction form
    20,068.68/27,694.30 = 11,115.64/x
  3. Step 3: Cross multiply
    20,068.68x = 27,694.30 × 11,115.64
  4. Step 4: Simplify right side
    20,068.68x = 307,839,868.85
  5. Step 5: Solve for x
    x = 307,839,868.85/20,068.68
  6. Step 6: Final answer
    x = 15,339.32

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.