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Finding the Fourth Proportional to 11,715.25, 16,167.03 and 6,410.08

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Solution

The fourth proportional to 11,715.25, 16,167.03 and 6,410.08 is: 8,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.25 : 16,167.03 = 6,410.08 : x
  2. Step 2: Convert to fraction form
    11,715.25/16,167.03 = 6,410.08/x
  3. Step 3: Cross multiply
    11,715.25x = 16,167.03 × 6,410.08
  4. Step 4: Simplify right side
    11,715.25x = 103,631,955.66
  5. Step 5: Solve for x
    x = 103,631,955.66/11,715.25
  6. Step 6: Final answer
    x = 8,845.90

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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.