Home / 16,794.87-25,195.95-5,107.78

Finding the Fourth Proportional to 16,794.87, 25,195.95 and 5,107.78

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Solution

The fourth proportional to 16,794.87, 25,195.95 and 5,107.78 is: 7,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,794.87 : 25,195.95 = 5,107.78 : x
  2. Step 2: Convert to fraction form
    16,794.87/25,195.95 = 5,107.78/x
  3. Step 3: Cross multiply
    16,794.87x = 25,195.95 × 5,107.78
  4. Step 4: Simplify right side
    16,794.87x = 128,695,400.99
  5. Step 5: Solve for x
    x = 128,695,400.99/16,794.87
  6. Step 6: Final answer
    x = 7,662.78

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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.