Home / 13,942.89-20,916.45-4,081.01

Finding the Fourth Proportional to 13,942.89, 20,916.45 and 4,081.01

Calculator

Solution

The fourth proportional to 13,942.89, 20,916.45 and 4,081.01 is: 6,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.89 : 20,916.45 = 4,081.01 : x
  2. Step 2: Convert to fraction form
    13,942.89/20,916.45 = 4,081.01/x
  3. Step 3: Cross multiply
    13,942.89x = 20,916.45 × 4,081.01
  4. Step 4: Simplify right side
    13,942.89x = 85,360,137.03
  5. Step 5: Solve for x
    x = 85,360,137.03/13,942.89
  6. Step 6: Final answer
    x = 6,122.13

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.