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Finding the Fourth Proportional to 14,808.96, 20,436.80 and 8,095.20

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Solution

The fourth proportional to 14,808.96, 20,436.80 and 8,095.20 is: 11,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.96 : 20,436.80 = 8,095.20 : x
  2. Step 2: Convert to fraction form
    14,808.96/20,436.80 = 8,095.20/x
  3. Step 3: Cross multiply
    14,808.96x = 20,436.80 × 8,095.20
  4. Step 4: Simplify right side
    14,808.96x = 165,439,983.36
  5. Step 5: Solve for x
    x = 165,439,983.36/14,808.96
  6. Step 6: Final answer
    x = 11,171.61

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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.