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Finding the Fourth Proportional to 9,013, 13,519.44 and 2,439.86

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Solution

The fourth proportional to 9,013, 13,519.44 and 2,439.86 is: 3,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013 : 13,519.44 = 2,439.86 : x
  2. Step 2: Convert to fraction form
    9,013/13,519.44 = 2,439.86/x
  3. Step 3: Cross multiply
    9,013x = 13,519.44 × 2,439.86
  4. Step 4: Simplify right side
    9,013x = 32,985,540.88
  5. Step 5: Solve for x
    x = 32,985,540.88/9,013
  6. Step 6: Final answer
    x = 3,659.77

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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.