Home / 10,801.12-16,202.03-3,405.65

Finding the Fourth Proportional to 10,801.12, 16,202.03 and 3,405.65

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Solution

The fourth proportional to 10,801.12, 16,202.03 and 3,405.65 is: 5,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.12 : 16,202.03 = 3,405.65 : x
  2. Step 2: Convert to fraction form
    10,801.12/16,202.03 = 3,405.65/x
  3. Step 3: Cross multiply
    10,801.12x = 16,202.03 × 3,405.65
  4. Step 4: Simplify right side
    10,801.12x = 55,178,345.43
  5. Step 5: Solve for x
    x = 55,178,345.43/10,801.12
  6. Step 6: Final answer
    x = 5,108.58

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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.