Home / 20,638.56-30,956.22-7,493.88

Finding the Fourth Proportional to 20,638.56, 30,956.22 and 7,493.88

Calculator

Solution

The fourth proportional to 20,638.56, 30,956.22 and 7,493.88 is: 11,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,638.56 : 30,956.22 = 7,493.88 : x
  2. Step 2: Convert to fraction form
    20,638.56/30,956.22 = 7,493.88/x
  3. Step 3: Cross multiply
    20,638.56x = 30,956.22 × 7,493.88
  4. Step 4: Simplify right side
    20,638.56x = 231,982,197.93
  5. Step 5: Solve for x
    x = 231,982,197.93/20,638.56
  6. Step 6: Final answer
    x = 11,240.23

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.