Home / 16,919.57-25,364.77-8,160.64

Finding the Fourth Proportional to 16,919.57, 25,364.77 and 8,160.64

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Solution

The fourth proportional to 16,919.57, 25,364.77 and 8,160.64 is: 12,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.57 : 25,364.77 = 8,160.64 : x
  2. Step 2: Convert to fraction form
    16,919.57/25,364.77 = 8,160.64/x
  3. Step 3: Cross multiply
    16,919.57x = 25,364.77 × 8,160.64
  4. Step 4: Simplify right side
    16,919.57x = 206,992,756.65
  5. Step 5: Solve for x
    x = 206,992,756.65/16,919.57
  6. Step 6: Final answer
    x = 12,233.93

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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.