Home / 23.06-31.82-12.70

Finding the Fourth Proportional to 23.06, 31.82 and 12.70

Calculator

Solution

The fourth proportional to 23.06, 31.82 and 12.70 is: 17.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.06 : 31.82 = 12.70 : x
  2. Step 2: Convert to fraction form
    23.06/31.82 = 12.70/x
  3. Step 3: Cross multiply
    23.06x = 31.82 × 12.70
  4. Step 4: Simplify right side
    23.06x = 404.04
  5. Step 5: Solve for x
    x = 404.04/23.06
  6. Step 6: Final answer
    x = 17.52

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.