Home / 19.53-29.34-19.40

Finding the Fourth Proportional to 19.53, 29.34 and 19.40

Calculator

Solution

The fourth proportional to 19.53, 29.34 and 19.40 is: 29.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.53 : 29.34 = 19.40 : x
  2. Step 2: Convert to fraction form
    19.53/29.34 = 19.40/x
  3. Step 3: Cross multiply
    19.53x = 29.34 × 19.40
  4. Step 4: Simplify right side
    19.53x = 569.05
  5. Step 5: Solve for x
    x = 569.05/19.53
  6. Step 6: Final answer
    x = 29.14

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.