Home / 20,408.37-30,608.97-5,613.72

Finding the Fourth Proportional to 20,408.37, 30,608.97 and 5,613.72

Calculator

Solution

The fourth proportional to 20,408.37, 30,608.97 and 5,613.72 is: 8,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408.37 : 30,608.97 = 5,613.72 : x
  2. Step 2: Convert to fraction form
    20,408.37/30,608.97 = 5,613.72/x
  3. Step 3: Cross multiply
    20,408.37x = 30,608.97 × 5,613.72
  4. Step 4: Simplify right side
    20,408.37x = 171,830,187.07
  5. Step 5: Solve for x
    x = 171,830,187.07/20,408.37
  6. Step 6: Final answer
    x = 8,419.59

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.