Home / 14.71-20.25-13.63

Finding the Fourth Proportional to 14.71, 20.25 and 13.63

Calculator

Solution

The fourth proportional to 14.71, 20.25 and 13.63 is: 18.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.71 : 20.25 = 13.63 : x
  2. Step 2: Convert to fraction form
    14.71/20.25 = 13.63/x
  3. Step 3: Cross multiply
    14.71x = 20.25 × 13.63
  4. Step 4: Simplify right side
    14.71x = 276.01
  5. Step 5: Solve for x
    x = 276.01/14.71
  6. Step 6: Final answer
    x = 18.76

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.