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Finding the Fourth Proportional to 8,853.08, 12,209.28 and 7,365.92

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Solution

The fourth proportional to 8,853.08, 12,209.28 and 7,365.92 is: 10,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.08 : 12,209.28 = 7,365.92 : x
  2. Step 2: Convert to fraction form
    8,853.08/12,209.28 = 7,365.92/x
  3. Step 3: Cross multiply
    8,853.08x = 12,209.28 × 7,365.92
  4. Step 4: Simplify right side
    8,853.08x = 89,932,579.74
  5. Step 5: Solve for x
    x = 89,932,579.74/8,853.08
  6. Step 6: Final answer
    x = 10,158.34

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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.