Home / 21.34-32.03-12.34

Finding the Fourth Proportional to 21.34, 32.03 and 12.34

Calculator

Solution

The fourth proportional to 21.34, 32.03 and 12.34 is: 18.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21.34 : 32.03 = 12.34 : x
  2. Step 2: Convert to fraction form
    21.34/32.03 = 12.34/x
  3. Step 3: Cross multiply
    21.34x = 32.03 × 12.34
  4. Step 4: Simplify right side
    21.34x = 395.25
  5. Step 5: Solve for x
    x = 395.25/21.34
  6. Step 6: Final answer
    x = 18.52

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.