Home / 16,819.38-25,232.85-5,131.71

Finding the Fourth Proportional to 16,819.38, 25,232.85 and 5,131.71

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Solution

The fourth proportional to 16,819.38, 25,232.85 and 5,131.71 is: 7,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.38 : 25,232.85 = 5,131.71 : x
  2. Step 2: Convert to fraction form
    16,819.38/25,232.85 = 5,131.71/x
  3. Step 3: Cross multiply
    16,819.38x = 25,232.85 × 5,131.71
  4. Step 4: Simplify right side
    16,819.38x = 129,487,668.67
  5. Step 5: Solve for x
    x = 129,487,668.67/16,819.38
  6. Step 6: Final answer
    x = 7,698.72

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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.