Home / 11.00-15.17-7.37

Finding the Fourth Proportional to 11.00, 15.17 and 7.37

Calculator

Solution

The fourth proportional to 11.00, 15.17 and 7.37 is: 10.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.00 : 15.17 = 7.37 : x
  2. Step 2: Convert to fraction form
    11.00/15.17 = 7.37/x
  3. Step 3: Cross multiply
    11.00x = 15.17 × 7.37
  4. Step 4: Simplify right side
    11.00x = 111.69
  5. Step 5: Solve for x
    x = 111.69/11.00
  6. Step 6: Final answer
    x = 10.16

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.