Home / 18,132.56-27,198.79-10,231.49

Finding the Fourth Proportional to 18,132.56, 27,198.79 and 10,231.49

Calculator

Solution

The fourth proportional to 18,132.56, 27,198.79 and 10,231.49 is: 15,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.56 : 27,198.79 = 10,231.49 : x
  2. Step 2: Convert to fraction form
    18,132.56/27,198.79 = 10,231.49/x
  3. Step 3: Cross multiply
    18,132.56x = 27,198.79 × 10,231.49
  4. Step 4: Simplify right side
    18,132.56x = 278,284,094.87
  5. Step 5: Solve for x
    x = 278,284,094.87/18,132.56
  6. Step 6: Final answer
    x = 15,347.20

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.