Home / 13,791.09-20,686.65-8,246.03

Finding the Fourth Proportional to 13,791.09, 20,686.65 and 8,246.03

Calculator

Solution

The fourth proportional to 13,791.09, 20,686.65 and 8,246.03 is: 12,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.09 : 20,686.65 = 8,246.03 : x
  2. Step 2: Convert to fraction form
    13,791.09/20,686.65 = 8,246.03/x
  3. Step 3: Cross multiply
    13,791.09x = 20,686.65 × 8,246.03
  4. Step 4: Simplify right side
    13,791.09x = 170,582,633.07
  5. Step 5: Solve for x
    x = 170,582,633.07/13,791.09
  6. Step 6: Final answer
    x = 12,369.05

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.