Home / 13,683.63-20,525.31-4,449.63

Finding the Fourth Proportional to 13,683.63, 20,525.31 and 4,449.63

Calculator

Solution

The fourth proportional to 13,683.63, 20,525.31 and 4,449.63 is: 6,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.63 : 20,525.31 = 4,449.63 : x
  2. Step 2: Convert to fraction form
    13,683.63/20,525.31 = 4,449.63/x
  3. Step 3: Cross multiply
    13,683.63x = 20,525.31 × 4,449.63
  4. Step 4: Simplify right side
    13,683.63x = 91,330,035.14
  5. Step 5: Solve for x
    x = 91,330,035.14/13,683.63
  6. Step 6: Final answer
    x = 6,674.40

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.