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Finding the Fourth Proportional to 18,606.58, 27,910.10 and 5,459.22

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Solution

The fourth proportional to 18,606.58, 27,910.10 and 5,459.22 is: 8,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.58 : 27,910.10 = 5,459.22 : x
  2. Step 2: Convert to fraction form
    18,606.58/27,910.10 = 5,459.22/x
  3. Step 3: Cross multiply
    18,606.58x = 27,910.10 × 5,459.22
  4. Step 4: Simplify right side
    18,606.58x = 152,367,376.12
  5. Step 5: Solve for x
    x = 152,367,376.12/18,606.58
  6. Step 6: Final answer
    x = 8,188.90

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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.