Home / 13,669.78-20,492.37-4,902.65

Finding the Fourth Proportional to 13,669.78, 20,492.37 and 4,902.65

Calculator

Solution

The fourth proportional to 13,669.78, 20,492.37 and 4,902.65 is: 7,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.78 : 20,492.37 = 4,902.65 : x
  2. Step 2: Convert to fraction form
    13,669.78/20,492.37 = 4,902.65/x
  3. Step 3: Cross multiply
    13,669.78x = 20,492.37 × 4,902.65
  4. Step 4: Simplify right side
    13,669.78x = 100,466,917.78
  5. Step 5: Solve for x
    x = 100,466,917.78/13,669.78
  6. Step 6: Final answer
    x = 7,349.56

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.