Home / 10,818.48-16,229.36-3,420.48

Finding the Fourth Proportional to 10,818.48, 16,229.36 and 3,420.48

Calculator

Solution

The fourth proportional to 10,818.48, 16,229.36 and 3,420.48 is: 5,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.48 : 16,229.36 = 3,420.48 : x
  2. Step 2: Convert to fraction form
    10,818.48/16,229.36 = 3,420.48/x
  3. Step 3: Cross multiply
    10,818.48x = 16,229.36 × 3,420.48
  4. Step 4: Simplify right side
    10,818.48x = 55,512,201.29
  5. Step 5: Solve for x
    x = 55,512,201.29/10,818.48
  6. Step 6: Final answer
    x = 5,131.24

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.