Home / 16,678.82-25,018.23-4,198.95

Finding the Fourth Proportional to 16,678.82, 25,018.23 and 4,198.95

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Solution

The fourth proportional to 16,678.82, 25,018.23 and 4,198.95 is: 6,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.82 : 25,018.23 = 4,198.95 : x
  2. Step 2: Convert to fraction form
    16,678.82/25,018.23 = 4,198.95/x
  3. Step 3: Cross multiply
    16,678.82x = 25,018.23 × 4,198.95
  4. Step 4: Simplify right side
    16,678.82x = 105,050,296.86
  5. Step 5: Solve for x
    x = 105,050,296.86/16,678.82
  6. Step 6: Final answer
    x = 6,298.43

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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.