Home / 12,179.56-18,269.34-3,859.60

Finding the Fourth Proportional to 12,179.56, 18,269.34 and 3,859.60

Calculator

Solution

The fourth proportional to 12,179.56, 18,269.34 and 3,859.60 is: 5,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.56 : 18,269.34 = 3,859.60 : x
  2. Step 2: Convert to fraction form
    12,179.56/18,269.34 = 3,859.60/x
  3. Step 3: Cross multiply
    12,179.56x = 18,269.34 × 3,859.60
  4. Step 4: Simplify right side
    12,179.56x = 70,512,344.66
  5. Step 5: Solve for x
    x = 70,512,344.66/12,179.56
  6. Step 6: Final answer
    x = 5,789.40

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.