Home / 13,388.97-20,084.49-3,528.13

Finding the Fourth Proportional to 13,388.97, 20,084.49 and 3,528.13

Calculator

Solution

The fourth proportional to 13,388.97, 20,084.49 and 3,528.13 is: 5,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.97 : 20,084.49 = 3,528.13 : x
  2. Step 2: Convert to fraction form
    13,388.97/20,084.49 = 3,528.13/x
  3. Step 3: Cross multiply
    13,388.97x = 20,084.49 × 3,528.13
  4. Step 4: Simplify right side
    13,388.97x = 70,860,691.70
  5. Step 5: Solve for x
    x = 70,860,691.70/13,388.97
  6. Step 6: Final answer
    x = 5,292.47

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.