Home / 19.66-26.98-18.17

Finding the Fourth Proportional to 19.66, 26.98 and 18.17

Calculator

Solution

The fourth proportional to 19.66, 26.98 and 18.17 is: 24.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.66 : 26.98 = 18.17 : x
  2. Step 2: Convert to fraction form
    19.66/26.98 = 18.17/x
  3. Step 3: Cross multiply
    19.66x = 26.98 × 18.17
  4. Step 4: Simplify right side
    19.66x = 490.40
  5. Step 5: Solve for x
    x = 490.40/19.66
  6. Step 6: Final answer
    x = 24.94

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.