Home / 11,166.48-15,406.46-6,920.66

Finding the Fourth Proportional to 11,166.48, 15,406.46 and 6,920.66

Calculator

Solution

The fourth proportional to 11,166.48, 15,406.46 and 6,920.66 is: 9,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.48 : 15,406.46 = 6,920.66 : x
  2. Step 2: Convert to fraction form
    11,166.48/15,406.46 = 6,920.66/x
  3. Step 3: Cross multiply
    11,166.48x = 15,406.46 × 6,920.66
  4. Step 4: Simplify right side
    11,166.48x = 106,622,871.46
  5. Step 5: Solve for x
    x = 106,622,871.46/11,166.48
  6. Step 6: Final answer
    x = 9,548.48

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.