Home / 13,930.38-19,223.76-7,556.82

Finding the Fourth Proportional to 13,930.38, 19,223.76 and 7,556.82

Calculator

Solution

The fourth proportional to 13,930.38, 19,223.76 and 7,556.82 is: 10,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.38 : 19,223.76 = 7,556.82 : x
  2. Step 2: Convert to fraction form
    13,930.38/19,223.76 = 7,556.82/x
  3. Step 3: Cross multiply
    13,930.38x = 19,223.76 × 7,556.82
  4. Step 4: Simplify right side
    13,930.38x = 145,270,494.04
  5. Step 5: Solve for x
    x = 145,270,494.04/13,930.38
  6. Step 6: Final answer
    x = 10,428.32

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.