Home / 18,403.70-27,605.55-10,109.30

Finding the Fourth Proportional to 18,403.70, 27,605.55 and 10,109.30

Calculator

Solution

The fourth proportional to 18,403.70, 27,605.55 and 10,109.30 is: 15,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.70 : 27,605.55 = 10,109.30 : x
  2. Step 2: Convert to fraction form
    18,403.70/27,605.55 = 10,109.30/x
  3. Step 3: Cross multiply
    18,403.70x = 27,605.55 × 10,109.30
  4. Step 4: Simplify right side
    18,403.70x = 279,072,786.62
  5. Step 5: Solve for x
    x = 279,072,786.62/18,403.70
  6. Step 6: Final answer
    x = 15,163.95

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.