Home / 10,161.74-14,022.05-5,912.21

Finding the Fourth Proportional to 10,161.74, 14,022.05 and 5,912.21

Calculator

Solution

The fourth proportional to 10,161.74, 14,022.05 and 5,912.21 is: 8,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.74 : 14,022.05 = 5,912.21 : x
  2. Step 2: Convert to fraction form
    10,161.74/14,022.05 = 5,912.21/x
  3. Step 3: Cross multiply
    10,161.74x = 14,022.05 × 5,912.21
  4. Step 4: Simplify right side
    10,161.74x = 82,901,309.72
  5. Step 5: Solve for x
    x = 82,901,309.72/10,161.74
  6. Step 6: Final answer
    x = 8,158.18

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.