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Finding the Fourth Proportional to 11,768.17, 17,652.03 and 4,748.04

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Solution

The fourth proportional to 11,768.17, 17,652.03 and 4,748.04 is: 7,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.17 : 17,652.03 = 4,748.04 : x
  2. Step 2: Convert to fraction form
    11,768.17/17,652.03 = 4,748.04/x
  3. Step 3: Cross multiply
    11,768.17x = 17,652.03 × 4,748.04
  4. Step 4: Simplify right side
    11,768.17x = 83,812,544.52
  5. Step 5: Solve for x
    x = 83,812,544.52/11,768.17
  6. Step 6: Final answer
    x = 7,121.97

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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.