Home / 11,966.28-17,949.36-5,040.78

Finding the Fourth Proportional to 11,966.28, 17,949.36 and 5,040.78

Calculator

Solution

The fourth proportional to 11,966.28, 17,949.36 and 5,040.78 is: 7,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.28 : 17,949.36 = 5,040.78 : x
  2. Step 2: Convert to fraction form
    11,966.28/17,949.36 = 5,040.78/x
  3. Step 3: Cross multiply
    11,966.28x = 17,949.36 × 5,040.78
  4. Step 4: Simplify right side
    11,966.28x = 90,478,774.90
  5. Step 5: Solve for x
    x = 90,478,774.90/11,966.28
  6. Step 6: Final answer
    x = 7,561.14

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.