Home / 16,785.26-25,155.22-6,391.34

Finding the Fourth Proportional to 16,785.26, 25,155.22 and 6,391.34

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Solution

The fourth proportional to 16,785.26, 25,155.22 and 6,391.34 is: 9,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.26 : 25,155.22 = 6,391.34 : x
  2. Step 2: Convert to fraction form
    16,785.26/25,155.22 = 6,391.34/x
  3. Step 3: Cross multiply
    16,785.26x = 25,155.22 × 6,391.34
  4. Step 4: Simplify right side
    16,785.26x = 160,775,651.88
  5. Step 5: Solve for x
    x = 160,775,651.88/16,785.26
  6. Step 6: Final answer
    x = 9,578.38

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1.5x scale

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.