Home / 13,627.24-20,438.43-3,764.05

Finding the Fourth Proportional to 13,627.24, 20,438.43 and 3,764.05

Calculator

Solution

The fourth proportional to 13,627.24, 20,438.43 and 3,764.05 is: 5,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.24 : 20,438.43 = 3,764.05 : x
  2. Step 2: Convert to fraction form
    13,627.24/20,438.43 = 3,764.05/x
  3. Step 3: Cross multiply
    13,627.24x = 20,438.43 × 3,764.05
  4. Step 4: Simplify right side
    13,627.24x = 76,931,272.44
  5. Step 5: Solve for x
    x = 76,931,272.44/13,627.24
  6. Step 6: Final answer
    x = 5,645.40

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.