Home / 22,112.81-30,505.82-14,940.42

Finding the Fourth Proportional to 22,112.81, 30,505.82 and 14,940.42

Calculator

Solution

The fourth proportional to 22,112.81, 30,505.82 and 14,940.42 is: 20,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,112.81 : 30,505.82 = 14,940.42 : x
  2. Step 2: Convert to fraction form
    22,112.81/30,505.82 = 14,940.42/x
  3. Step 3: Cross multiply
    22,112.81x = 30,505.82 × 14,940.42
  4. Step 4: Simplify right side
    22,112.81x = 455,769,763.24
  5. Step 5: Solve for x
    x = 455,769,763.24/22,112.81
  6. Step 6: Final answer
    x = 20,611.12

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.