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Finding the Fourth Proportional to 10,168.76, 15,254.28 and 5,785.04

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Solution

The fourth proportional to 10,168.76, 15,254.28 and 5,785.04 is: 8,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.76 : 15,254.28 = 5,785.04 : x
  2. Step 2: Convert to fraction form
    10,168.76/15,254.28 = 5,785.04/x
  3. Step 3: Cross multiply
    10,168.76x = 15,254.28 × 5,785.04
  4. Step 4: Simplify right side
    10,168.76x = 88,246,619.97
  5. Step 5: Solve for x
    x = 88,246,619.97/10,168.76
  6. Step 6: Final answer
    x = 8,678.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.