Home / 9.65-14.48-7.11

Finding the Fourth Proportional to 9.65, 14.48 and 7.11

Calculator

Solution

The fourth proportional to 9.65, 14.48 and 7.11 is: 10.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.65 : 14.48 = 7.11 : x
  2. Step 2: Convert to fraction form
    9.65/14.48 = 7.11/x
  3. Step 3: Cross multiply
    9.65x = 14.48 × 7.11
  4. Step 4: Simplify right side
    9.65x = 102.92
  5. Step 5: Solve for x
    x = 102.92/9.65
  6. Step 6: Final answer
    x = 10.67

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.