Home / 11,240.65-16,857.79-3,342.85

Finding the Fourth Proportional to 11,240.65, 16,857.79 and 3,342.85

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Solution

The fourth proportional to 11,240.65, 16,857.79 and 3,342.85 is: 5,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.65 : 16,857.79 = 3,342.85 : x
  2. Step 2: Convert to fraction form
    11,240.65/16,857.79 = 3,342.85/x
  3. Step 3: Cross multiply
    11,240.65x = 16,857.79 × 3,342.85
  4. Step 4: Simplify right side
    11,240.65x = 56,353,012.80
  5. Step 5: Solve for x
    x = 56,353,012.80/11,240.65
  6. Step 6: Final answer
    x = 5,013.32

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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.