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Finding the Fourth Proportional to 8,717, 13,076.94 and 7,156.04

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Solution

The fourth proportional to 8,717, 13,076.94 and 7,156.04 is: 10,735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717 : 13,076.94 = 7,156.04 : x
  2. Step 2: Convert to fraction form
    8,717/13,076.94 = 7,156.04/x
  3. Step 3: Cross multiply
    8,717x = 13,076.94 × 7,156.04
  4. Step 4: Simplify right side
    8,717x = 93,579,105.72
  5. Step 5: Solve for x
    x = 93,579,105.72/8,717
  6. Step 6: Final answer
    x = 10,735.24

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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.