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Finding the Fourth Proportional to 9,855.68, 14,783.72 and 5,500.91

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Solution

The fourth proportional to 9,855.68, 14,783.72 and 5,500.91 is: 8,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.68 : 14,783.72 = 5,500.91 : x
  2. Step 2: Convert to fraction form
    9,855.68/14,783.72 = 5,500.91/x
  3. Step 3: Cross multiply
    9,855.68x = 14,783.72 × 5,500.91
  4. Step 4: Simplify right side
    9,855.68x = 81,323,922.64
  5. Step 5: Solve for x
    x = 81,323,922.64/9,855.68
  6. Step 6: Final answer
    x = 8,251.48

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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.