Home / 18,243.67-27,356.16-8,374.38

Finding the Fourth Proportional to 18,243.67, 27,356.16 and 8,374.38

Calculator

Solution

The fourth proportional to 18,243.67, 27,356.16 and 8,374.38 is: 12,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.67 : 27,356.16 = 8,374.38 : x
  2. Step 2: Convert to fraction form
    18,243.67/27,356.16 = 8,374.38/x
  3. Step 3: Cross multiply
    18,243.67x = 27,356.16 × 8,374.38
  4. Step 4: Simplify right side
    18,243.67x = 229,090,879.18
  5. Step 5: Solve for x
    x = 229,090,879.18/18,243.67
  6. Step 6: Final answer
    x = 12,557.28

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.