Home / 12,311.04-16,989.20-6,722

Finding the Fourth Proportional to 12,311.04, 16,989.20 and 6,722

Calculator

Solution

The fourth proportional to 12,311.04, 16,989.20 and 6,722 is: 9,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.04 : 16,989.20 = 6,722 : x
  2. Step 2: Convert to fraction form
    12,311.04/16,989.20 = 6,722/x
  3. Step 3: Cross multiply
    12,311.04x = 16,989.20 × 6,722
  4. Step 4: Simplify right side
    12,311.04x = 114,201,402.40
  5. Step 5: Solve for x
    x = 114,201,402.40/12,311.04
  6. Step 6: Final answer
    x = 9,276.34

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.