Home / 10,906.60-16,359.90-7,450.60

Finding the Fourth Proportional to 10,906.60, 16,359.90 and 7,450.60

Calculator

Solution

The fourth proportional to 10,906.60, 16,359.90 and 7,450.60 is: 11,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.60 : 16,359.90 = 7,450.60 : x
  2. Step 2: Convert to fraction form
    10,906.60/16,359.90 = 7,450.60/x
  3. Step 3: Cross multiply
    10,906.60x = 16,359.90 × 7,450.60
  4. Step 4: Simplify right side
    10,906.60x = 121,891,070.94
  5. Step 5: Solve for x
    x = 121,891,070.94/10,906.60
  6. Step 6: Final answer
    x = 11,175.90

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.