Home / 13,872.73-20,809.20-5,553.46

Finding the Fourth Proportional to 13,872.73, 20,809.20 and 5,553.46

Calculator

Solution

The fourth proportional to 13,872.73, 20,809.20 and 5,553.46 is: 8,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.73 : 20,809.20 = 5,553.46 : x
  2. Step 2: Convert to fraction form
    13,872.73/20,809.20 = 5,553.46/x
  3. Step 3: Cross multiply
    13,872.73x = 20,809.20 × 5,553.46
  4. Step 4: Simplify right side
    13,872.73x = 115,563,059.83
  5. Step 5: Solve for x
    x = 115,563,059.83/13,872.73
  6. Step 6: Final answer
    x = 8,330.23

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.