Home / 16,511.62-24,758.21-5,415.33

Finding the Fourth Proportional to 16,511.62, 24,758.21 and 5,415.33

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Solution

The fourth proportional to 16,511.62, 24,758.21 and 5,415.33 is: 8,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.62 : 24,758.21 = 5,415.33 : x
  2. Step 2: Convert to fraction form
    16,511.62/24,758.21 = 5,415.33/x
  3. Step 3: Cross multiply
    16,511.62x = 24,758.21 × 5,415.33
  4. Step 4: Simplify right side
    16,511.62x = 134,073,883.65
  5. Step 5: Solve for x
    x = 134,073,883.65/16,511.62
  6. Step 6: Final answer
    x = 8,119.97

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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.