Home / 9,778.40-14,629.20-8,856.80

Finding the Fourth Proportional to 9,778.40, 14,629.20 and 8,856.80

Calculator

Solution

The fourth proportional to 9,778.40, 14,629.20 and 8,856.80 is: 13,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.40 : 14,629.20 = 8,856.80 : x
  2. Step 2: Convert to fraction form
    9,778.40/14,629.20 = 8,856.80/x
  3. Step 3: Cross multiply
    9,778.40x = 14,629.20 × 8,856.80
  4. Step 4: Simplify right side
    9,778.40x = 129,567,898.56
  5. Step 5: Solve for x
    x = 129,567,898.56/9,778.40
  6. Step 6: Final answer
    x = 13,250.42

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.