Home / 13,463.47-18,578.64-8,427.46

Finding the Fourth Proportional to 13,463.47, 18,578.64 and 8,427.46

Calculator

Solution

The fourth proportional to 13,463.47, 18,578.64 and 8,427.46 is: 11,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.47 : 18,578.64 = 8,427.46 : x
  2. Step 2: Convert to fraction form
    13,463.47/18,578.64 = 8,427.46/x
  3. Step 3: Cross multiply
    13,463.47x = 18,578.64 × 8,427.46
  4. Step 4: Simplify right side
    13,463.47x = 156,570,745.45
  5. Step 5: Solve for x
    x = 156,570,745.45/13,463.47
  6. Step 6: Final answer
    x = 11,629.30

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.