Home / 36.58-54.87-12.53

Finding the Fourth Proportional to 36.58, 54.87 and 12.53

Calculator

Solution

The fourth proportional to 36.58, 54.87 and 12.53 is: 18.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.58 : 54.87 = 12.53 : x
  2. Step 2: Convert to fraction form
    36.58/54.87 = 12.53/x
  3. Step 3: Cross multiply
    36.58x = 54.87 × 12.53
  4. Step 4: Simplify right side
    36.58x = 687.66
  5. Step 5: Solve for x
    x = 687.66/36.58
  6. Step 6: Final answer
    x = 18.80

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.