Home / 10,826.13-16,239.20-8,857.83

Finding the Fourth Proportional to 10,826.13, 16,239.20 and 8,857.83

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Solution

The fourth proportional to 10,826.13, 16,239.20 and 8,857.83 is: 13,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.13 : 16,239.20 = 8,857.83 : x
  2. Step 2: Convert to fraction form
    10,826.13/16,239.20 = 8,857.83/x
  3. Step 3: Cross multiply
    10,826.13x = 16,239.20 × 8,857.83
  4. Step 4: Simplify right side
    10,826.13x = 143,844,028.65
  5. Step 5: Solve for x
    x = 143,844,028.65/10,826.13
  6. Step 6: Final answer
    x = 13,286.75

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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.