Home / 13,745.86-18,964.10-8,080.86

Finding the Fourth Proportional to 13,745.86, 18,964.10 and 8,080.86

Calculator

Solution

The fourth proportional to 13,745.86, 18,964.10 and 8,080.86 is: 11,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745.86 : 18,964.10 = 8,080.86 : x
  2. Step 2: Convert to fraction form
    13,745.86/18,964.10 = 8,080.86/x
  3. Step 3: Cross multiply
    13,745.86x = 18,964.10 × 8,080.86
  4. Step 4: Simplify right side
    13,745.86x = 153,246,237.13
  5. Step 5: Solve for x
    x = 153,246,237.13/13,745.86
  6. Step 6: Final answer
    x = 11,148.54

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.