Home / 10,394.13-15,590.72-3,819.83

Finding the Fourth Proportional to 10,394.13, 15,590.72 and 3,819.83

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Solution

The fourth proportional to 10,394.13, 15,590.72 and 3,819.83 is: 5,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.13 : 15,590.72 = 3,819.83 : x
  2. Step 2: Convert to fraction form
    10,394.13/15,590.72 = 3,819.83/x
  3. Step 3: Cross multiply
    10,394.13x = 15,590.72 × 3,819.83
  4. Step 4: Simplify right side
    10,394.13x = 59,553,919.86
  5. Step 5: Solve for x
    x = 59,553,919.86/10,394.13
  6. Step 6: Final answer
    x = 5,729.57

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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.