Home / 11,615.72-16,025.46-7,638.44

Finding the Fourth Proportional to 11,615.72, 16,025.46 and 7,638.44

Calculator

Solution

The fourth proportional to 11,615.72, 16,025.46 and 7,638.44 is: 10,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.72 : 16,025.46 = 7,638.44 : x
  2. Step 2: Convert to fraction form
    11,615.72/16,025.46 = 7,638.44/x
  3. Step 3: Cross multiply
    11,615.72x = 16,025.46 × 7,638.44
  4. Step 4: Simplify right side
    11,615.72x = 122,409,514.68
  5. Step 5: Solve for x
    x = 122,409,514.68/11,615.72
  6. Step 6: Final answer
    x = 10,538.26

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.