Home / 13,806.86-20,711.16-5,040.63

Finding the Fourth Proportional to 13,806.86, 20,711.16 and 5,040.63

Calculator

Solution

The fourth proportional to 13,806.86, 20,711.16 and 5,040.63 is: 7,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806.86 : 20,711.16 = 5,040.63 : x
  2. Step 2: Convert to fraction form
    13,806.86/20,711.16 = 5,040.63/x
  3. Step 3: Cross multiply
    13,806.86x = 20,711.16 × 5,040.63
  4. Step 4: Simplify right side
    13,806.86x = 104,397,294.43
  5. Step 5: Solve for x
    x = 104,397,294.43/13,806.86
  6. Step 6: Final answer
    x = 7,561.27

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.