Home / 16,819.30-25,234.35-7,455.70

Finding the Fourth Proportional to 16,819.30, 25,234.35 and 7,455.70

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Solution

The fourth proportional to 16,819.30, 25,234.35 and 7,455.70 is: 11,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.30 : 25,234.35 = 7,455.70 : x
  2. Step 2: Convert to fraction form
    16,819.30/25,234.35 = 7,455.70/x
  3. Step 3: Cross multiply
    16,819.30x = 25,234.35 × 7,455.70
  4. Step 4: Simplify right side
    16,819.30x = 188,139,743.30
  5. Step 5: Solve for x
    x = 188,139,743.30/16,819.30
  6. Step 6: Final answer
    x = 11,185.94

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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.