Home / 13.12-19.67-4.56

Finding the Fourth Proportional to 13.12, 19.67 and 4.56

Calculator

Solution

The fourth proportional to 13.12, 19.67 and 4.56 is: 6.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.12 : 19.67 = 4.56 : x
  2. Step 2: Convert to fraction form
    13.12/19.67 = 4.56/x
  3. Step 3: Cross multiply
    13.12x = 19.67 × 4.56
  4. Step 4: Simplify right side
    13.12x = 89.61
  5. Step 5: Solve for x
    x = 89.61/13.12
  6. Step 6: Final answer
    x = 6.83

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.