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Finding the Fourth Proportional to 10,446.92, 14,416.80 and 5,731.12

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Solution

The fourth proportional to 10,446.92, 14,416.80 and 5,731.12 is: 7,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.92 : 14,416.80 = 5,731.12 : x
  2. Step 2: Convert to fraction form
    10,446.92/14,416.80 = 5,731.12/x
  3. Step 3: Cross multiply
    10,446.92x = 14,416.80 × 5,731.12
  4. Step 4: Simplify right side
    10,446.92x = 82,624,410.82
  5. Step 5: Solve for x
    x = 82,624,410.82/10,446.92
  6. Step 6: Final answer
    x = 7,908.97

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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.