Home / 18.81-25.96-10.62

Finding the Fourth Proportional to 18.81, 25.96 and 10.62

Calculator

Solution

The fourth proportional to 18.81, 25.96 and 10.62 is: 14.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.81 : 25.96 = 10.62 : x
  2. Step 2: Convert to fraction form
    18.81/25.96 = 10.62/x
  3. Step 3: Cross multiply
    18.81x = 25.96 × 10.62
  4. Step 4: Simplify right side
    18.81x = 275.70
  5. Step 5: Solve for x
    x = 275.70/18.81
  6. Step 6: Final answer
    x = 14.66

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.