Home / 16.78-23.14-14.76

Finding the Fourth Proportional to 16.78, 23.14 and 14.76

Calculator

Solution

The fourth proportional to 16.78, 23.14 and 14.76 is: 20.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.78 : 23.14 = 14.76 : x
  2. Step 2: Convert to fraction form
    16.78/23.14 = 14.76/x
  3. Step 3: Cross multiply
    16.78x = 23.14 × 14.76
  4. Step 4: Simplify right side
    16.78x = 341.55
  5. Step 5: Solve for x
    x = 341.55/16.78
  6. Step 6: Final answer
    x = 20.35

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.