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Finding the Fourth Proportional to 11,473.86, 17,210.43 and 3,265.86

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Solution

The fourth proportional to 11,473.86, 17,210.43 and 3,265.86 is: 4,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.86 : 17,210.43 = 3,265.86 : x
  2. Step 2: Convert to fraction form
    11,473.86/17,210.43 = 3,265.86/x
  3. Step 3: Cross multiply
    11,473.86x = 17,210.43 × 3,265.86
  4. Step 4: Simplify right side
    11,473.86x = 56,206,854.92
  5. Step 5: Solve for x
    x = 56,206,854.92/11,473.86
  6. Step 6: Final answer
    x = 4,898.69

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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.