Home / 12,168.66-18,245.99-4,764.45

Finding the Fourth Proportional to 12,168.66, 18,245.99 and 4,764.45

Calculator

Solution

The fourth proportional to 12,168.66, 18,245.99 and 4,764.45 is: 7,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.66 : 18,245.99 = 4,764.45 : x
  2. Step 2: Convert to fraction form
    12,168.66/18,245.99 = 4,764.45/x
  3. Step 3: Cross multiply
    12,168.66x = 18,245.99 × 4,764.45
  4. Step 4: Simplify right side
    12,168.66x = 86,932,083.23
  5. Step 5: Solve for x
    x = 86,932,083.23/12,168.66
  6. Step 6: Final answer
    x = 7,143.93

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.