Home / 13,763.14-18,993.21-8,174.02

Finding the Fourth Proportional to 13,763.14, 18,993.21 and 8,174.02

Calculator

Solution

The fourth proportional to 13,763.14, 18,993.21 and 8,174.02 is: 11,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.14 : 18,993.21 = 8,174.02 : x
  2. Step 2: Convert to fraction form
    13,763.14/18,993.21 = 8,174.02/x
  3. Step 3: Cross multiply
    13,763.14x = 18,993.21 × 8,174.02
  4. Step 4: Simplify right side
    13,763.14x = 155,250,878.40
  5. Step 5: Solve for x
    x = 155,250,878.40/13,763.14
  6. Step 6: Final answer
    x = 11,280.19

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.