Home / 10,799.40-16,192.71-4,217.88

Finding the Fourth Proportional to 10,799.40, 16,192.71 and 4,217.88

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Solution

The fourth proportional to 10,799.40, 16,192.71 and 4,217.88 is: 6,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,799.40 : 16,192.71 = 4,217.88 : x
  2. Step 2: Convert to fraction form
    10,799.40/16,192.71 = 4,217.88/x
  3. Step 3: Cross multiply
    10,799.40x = 16,192.71 × 4,217.88
  4. Step 4: Simplify right side
    10,799.40x = 68,298,907.65
  5. Step 5: Solve for x
    x = 68,298,907.65/10,799.40
  6. Step 6: Final answer
    x = 6,324.32

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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.