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Finding the Fourth Proportional to 10,998.76, 15,176.64 and 6,282.04

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Solution

The fourth proportional to 10,998.76, 15,176.64 and 6,282.04 is: 8,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.76 : 15,176.64 = 6,282.04 : x
  2. Step 2: Convert to fraction form
    10,998.76/15,176.64 = 6,282.04/x
  3. Step 3: Cross multiply
    10,998.76x = 15,176.64 × 6,282.04
  4. Step 4: Simplify right side
    10,998.76x = 95,340,259.55
  5. Step 5: Solve for x
    x = 95,340,259.55/10,998.76
  6. Step 6: Final answer
    x = 8,668.27

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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.