Home / 16,785.50-25,155.57-6,391.58

Finding the Fourth Proportional to 16,785.50, 25,155.57 and 6,391.58

Calculator

Solution

The fourth proportional to 16,785.50, 25,155.57 and 6,391.58 is: 9,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.50 : 25,155.57 = 6,391.58 : x
  2. Step 2: Convert to fraction form
    16,785.50/25,155.57 = 6,391.58/x
  3. Step 3: Cross multiply
    16,785.50x = 25,155.57 × 6,391.58
  4. Step 4: Simplify right side
    16,785.50x = 160,783,782.69
  5. Step 5: Solve for x
    x = 160,783,782.69/16,785.50
  6. Step 6: Final answer
    x = 9,578.73

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.