Home / 12,268.81-18,408.63-9,519.37

Finding the Fourth Proportional to 12,268.81, 18,408.63 and 9,519.37

Calculator

Solution

The fourth proportional to 12,268.81, 18,408.63 and 9,519.37 is: 14,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.81 : 18,408.63 = 9,519.37 : x
  2. Step 2: Convert to fraction form
    12,268.81/18,408.63 = 9,519.37/x
  3. Step 3: Cross multiply
    12,268.81x = 18,408.63 × 9,519.37
  4. Step 4: Simplify right side
    12,268.81x = 175,238,560.16
  5. Step 5: Solve for x
    x = 175,238,560.16/12,268.81
  6. Step 6: Final answer
    x = 14,283.26

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.