Home / 12,745.23-19,128.78-9,464.73

Finding the Fourth Proportional to 12,745.23, 19,128.78 and 9,464.73

Calculator

Solution

The fourth proportional to 12,745.23, 19,128.78 and 9,464.73 is: 14,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.23 : 19,128.78 = 9,464.73 : x
  2. Step 2: Convert to fraction form
    12,745.23/19,128.78 = 9,464.73/x
  3. Step 3: Cross multiply
    12,745.23x = 19,128.78 × 9,464.73
  4. Step 4: Simplify right side
    12,745.23x = 181,048,737.93
  5. Step 5: Solve for x
    x = 181,048,737.93/12,745.23
  6. Step 6: Final answer
    x = 14,205.22

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.