Home / 14.78-20.41-8.96

Finding the Fourth Proportional to 14.78, 20.41 and 8.96

Calculator

Solution

The fourth proportional to 14.78, 20.41 and 8.96 is: 12.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.78 : 20.41 = 8.96 : x
  2. Step 2: Convert to fraction form
    14.78/20.41 = 8.96/x
  3. Step 3: Cross multiply
    14.78x = 20.41 × 8.96
  4. Step 4: Simplify right side
    14.78x = 182.75
  5. Step 5: Solve for x
    x = 182.75/14.78
  6. Step 6: Final answer
    x = 12.36

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.