Home / 11,161.26-15,408.63-7,629.66

Finding the Fourth Proportional to 11,161.26, 15,408.63 and 7,629.66

Calculator

Solution

The fourth proportional to 11,161.26, 15,408.63 and 7,629.66 is: 10,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.26 : 15,408.63 = 7,629.66 : x
  2. Step 2: Convert to fraction form
    11,161.26/15,408.63 = 7,629.66/x
  3. Step 3: Cross multiply
    11,161.26x = 15,408.63 × 7,629.66
  4. Step 4: Simplify right side
    11,161.26x = 117,562,607.97
  5. Step 5: Solve for x
    x = 117,562,607.97/11,161.26
  6. Step 6: Final answer
    x = 10,533.09

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.