Home / 13,959.34-20,942.92-5,645.19

Finding the Fourth Proportional to 13,959.34, 20,942.92 and 5,645.19

Calculator

Solution

The fourth proportional to 13,959.34, 20,942.92 and 5,645.19 is: 8,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.34 : 20,942.92 = 5,645.19 : x
  2. Step 2: Convert to fraction form
    13,959.34/20,942.92 = 5,645.19/x
  3. Step 3: Cross multiply
    13,959.34x = 20,942.92 × 5,645.19
  4. Step 4: Simplify right side
    13,959.34x = 118,226,832.27
  5. Step 5: Solve for x
    x = 118,226,832.27/13,959.34
  6. Step 6: Final answer
    x = 8,469.37

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.