Home / 19,114.26-28,673.20-7,428.38

Finding the Fourth Proportional to 19,114.26, 28,673.20 and 7,428.38

Calculator

Solution

The fourth proportional to 19,114.26, 28,673.20 and 7,428.38 is: 11,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.26 : 28,673.20 = 7,428.38 : x
  2. Step 2: Convert to fraction form
    19,114.26/28,673.20 = 7,428.38/x
  3. Step 3: Cross multiply
    19,114.26x = 28,673.20 × 7,428.38
  4. Step 4: Simplify right side
    19,114.26x = 212,995,425.42
  5. Step 5: Solve for x
    x = 212,995,425.42/19,114.26
  6. Step 6: Final answer
    x = 11,143.27

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.