Home / 13,926.62-20,891.16-3,931.45

Finding the Fourth Proportional to 13,926.62, 20,891.16 and 3,931.45

Calculator

Solution

The fourth proportional to 13,926.62, 20,891.16 and 3,931.45 is: 5,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.62 : 20,891.16 = 3,931.45 : x
  2. Step 2: Convert to fraction form
    13,926.62/20,891.16 = 3,931.45/x
  3. Step 3: Cross multiply
    13,926.62x = 20,891.16 × 3,931.45
  4. Step 4: Simplify right side
    13,926.62x = 82,132,550.98
  5. Step 5: Solve for x
    x = 82,132,550.98/13,926.62
  6. Step 6: Final answer
    x = 5,897.52

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.