Home / 12,040.48-18,060.72-7,906.60

Finding the Fourth Proportional to 12,040.48, 18,060.72 and 7,906.60

Calculator

Solution

The fourth proportional to 12,040.48, 18,060.72 and 7,906.60 is: 11,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.48 : 18,060.72 = 7,906.60 : x
  2. Step 2: Convert to fraction form
    12,040.48/18,060.72 = 7,906.60/x
  3. Step 3: Cross multiply
    12,040.48x = 18,060.72 × 7,906.60
  4. Step 4: Simplify right side
    12,040.48x = 142,798,888.75
  5. Step 5: Solve for x
    x = 142,798,888.75/12,040.48
  6. Step 6: Final answer
    x = 11,859.90

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.