Home / 11,899.78-16,422.12-7,183.14

Finding the Fourth Proportional to 11,899.78, 16,422.12 and 7,183.14

Calculator

Solution

The fourth proportional to 11,899.78, 16,422.12 and 7,183.14 is: 9,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.78 : 16,422.12 = 7,183.14 : x
  2. Step 2: Convert to fraction form
    11,899.78/16,422.12 = 7,183.14/x
  3. Step 3: Cross multiply
    11,899.78x = 16,422.12 × 7,183.14
  4. Step 4: Simplify right side
    11,899.78x = 117,962,387.06
  5. Step 5: Solve for x
    x = 117,962,387.06/11,899.78
  6. Step 6: Final answer
    x = 9,912.99

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.