Home / 13,505.05-20,255.01-5,719.33

Finding the Fourth Proportional to 13,505.05, 20,255.01 and 5,719.33

Calculator

Solution

The fourth proportional to 13,505.05, 20,255.01 and 5,719.33 is: 8,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.05 : 20,255.01 = 5,719.33 : x
  2. Step 2: Convert to fraction form
    13,505.05/20,255.01 = 5,719.33/x
  3. Step 3: Cross multiply
    13,505.05x = 20,255.01 × 5,719.33
  4. Step 4: Simplify right side
    13,505.05x = 115,845,086.34
  5. Step 5: Solve for x
    x = 115,845,086.34/13,505.05
  6. Step 6: Final answer
    x = 8,577.91

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.