Home / 18,479.45-27,719.18-11,074.64

Finding the Fourth Proportional to 18,479.45, 27,719.18 and 11,074.64

Calculator

Solution

The fourth proportional to 18,479.45, 27,719.18 and 11,074.64 is: 16,611.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.45 : 27,719.18 = 11,074.64 : x
  2. Step 2: Convert to fraction form
    18,479.45/27,719.18 = 11,074.64/x
  3. Step 3: Cross multiply
    18,479.45x = 27,719.18 × 11,074.64
  4. Step 4: Simplify right side
    18,479.45x = 306,979,745.63
  5. Step 5: Solve for x
    x = 306,979,745.63/18,479.45
  6. Step 6: Final answer
    x = 16,611.96

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.