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Finding the Fourth Proportional to 11,366.64, 17,050.02 and 3,971.07

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Solution

The fourth proportional to 11,366.64, 17,050.02 and 3,971.07 is: 5,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.64 : 17,050.02 = 3,971.07 : x
  2. Step 2: Convert to fraction form
    11,366.64/17,050.02 = 3,971.07/x
  3. Step 3: Cross multiply
    11,366.64x = 17,050.02 × 3,971.07
  4. Step 4: Simplify right side
    11,366.64x = 67,706,822.92
  5. Step 5: Solve for x
    x = 67,706,822.92/11,366.64
  6. Step 6: Final answer
    x = 5,956.63

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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.