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Finding the Fourth Proportional to 11,156.62, 15,395.88 and 6,188.62

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Solution

The fourth proportional to 11,156.62, 15,395.88 and 6,188.62 is: 8,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.62 : 15,395.88 = 6,188.62 : x
  2. Step 2: Convert to fraction form
    11,156.62/15,395.88 = 6,188.62/x
  3. Step 3: Cross multiply
    11,156.62x = 15,395.88 × 6,188.62
  4. Step 4: Simplify right side
    11,156.62x = 95,279,250.89
  5. Step 5: Solve for x
    x = 95,279,250.89/11,156.62
  6. Step 6: Final answer
    x = 8,540.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.