Home / 12,400.92-17,105.72-7,361.73

Finding the Fourth Proportional to 12,400.92, 17,105.72 and 7,361.73

Calculator

Solution

The fourth proportional to 12,400.92, 17,105.72 and 7,361.73 is: 10,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.92 : 17,105.72 = 7,361.73 : x
  2. Step 2: Convert to fraction form
    12,400.92/17,105.72 = 7,361.73/x
  3. Step 3: Cross multiply
    12,400.92x = 17,105.72 × 7,361.73
  4. Step 4: Simplify right side
    12,400.92x = 125,927,655.29
  5. Step 5: Solve for x
    x = 125,927,655.29/12,400.92
  6. Step 6: Final answer
    x = 10,154.70

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.