Home / 12.33-18.50-5.58

Finding the Fourth Proportional to 12.33, 18.50 and 5.58

Calculator

Solution

The fourth proportional to 12.33, 18.50 and 5.58 is: 8.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.33 : 18.50 = 5.58 : x
  2. Step 2: Convert to fraction form
    12.33/18.50 = 5.58/x
  3. Step 3: Cross multiply
    12.33x = 18.50 × 5.58
  4. Step 4: Simplify right side
    12.33x = 103.20
  5. Step 5: Solve for x
    x = 103.20/12.33
  6. Step 6: Final answer
    x = 8.37

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.