Home / 10.10-15.23-10.10

Finding the Fourth Proportional to 10.10, 15.23 and 10.10

Calculator

Solution

The fourth proportional to 10.10, 15.23 and 10.10 is: 15.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.10 : 15.23 = 10.10 : x
  2. Step 2: Convert to fraction form
    10.10/15.23 = 10.10/x
  3. Step 3: Cross multiply
    10.10x = 15.23 × 10.10
  4. Step 4: Simplify right side
    10.10x = 153.89
  5. Step 5: Solve for x
    x = 153.89/10.10
  6. Step 6: Final answer
    x = 15.23

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.