Home / 11,757.81-17,622.81-5,170.22

Finding the Fourth Proportional to 11,757.81, 17,622.81 and 5,170.22

Calculator

Solution

The fourth proportional to 11,757.81, 17,622.81 and 5,170.22 is: 7,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.81 : 17,622.81 = 5,170.22 : x
  2. Step 2: Convert to fraction form
    11,757.81/17,622.81 = 5,170.22/x
  3. Step 3: Cross multiply
    11,757.81x = 17,622.81 × 5,170.22
  4. Step 4: Simplify right side
    11,757.81x = 91,113,716.60
  5. Step 5: Solve for x
    x = 91,113,716.60/11,757.81
  6. Step 6: Final answer
    x = 7,749.21

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.