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Finding the Fourth Proportional to 8,246.10, 12,369.15 and 7,176.90

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Solution

The fourth proportional to 8,246.10, 12,369.15 and 7,176.90 is: 10,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.10 : 12,369.15 = 7,176.90 : x
  2. Step 2: Convert to fraction form
    8,246.10/12,369.15 = 7,176.90/x
  3. Step 3: Cross multiply
    8,246.10x = 12,369.15 × 7,176.90
  4. Step 4: Simplify right side
    8,246.10x = 88,772,152.64
  5. Step 5: Solve for x
    x = 88,772,152.64/8,246.10
  6. Step 6: Final answer
    x = 10,765.35

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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.