Home / 10,330.34-15,495.33-3,404.90

Finding the Fourth Proportional to 10,330.34, 15,495.33 and 3,404.90

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Solution

The fourth proportional to 10,330.34, 15,495.33 and 3,404.90 is: 5,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.34 : 15,495.33 = 3,404.90 : x
  2. Step 2: Convert to fraction form
    10,330.34/15,495.33 = 3,404.90/x
  3. Step 3: Cross multiply
    10,330.34x = 15,495.33 × 3,404.90
  4. Step 4: Simplify right side
    10,330.34x = 52,760,049.12
  5. Step 5: Solve for x
    x = 52,760,049.12/10,330.34
  6. Step 6: Final answer
    x = 5,107.29

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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.