Home / 10,872.54-16,308.78-3,081.42

Finding the Fourth Proportional to 10,872.54, 16,308.78 and 3,081.42

Calculator

Solution

The fourth proportional to 10,872.54, 16,308.78 and 3,081.42 is: 4,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.54 : 16,308.78 = 3,081.42 : x
  2. Step 2: Convert to fraction form
    10,872.54/16,308.78 = 3,081.42/x
  3. Step 3: Cross multiply
    10,872.54x = 16,308.78 × 3,081.42
  4. Step 4: Simplify right side
    10,872.54x = 50,254,200.87
  5. Step 5: Solve for x
    x = 50,254,200.87/10,872.54
  6. Step 6: Final answer
    x = 4,622.12

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.