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Finding the Fourth Proportional to 13,394.53, 18,484.89 and 8,088.29

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Solution

The fourth proportional to 13,394.53, 18,484.89 and 8,088.29 is: 11,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.53 : 18,484.89 = 8,088.29 : x
  2. Step 2: Convert to fraction form
    13,394.53/18,484.89 = 8,088.29/x
  3. Step 3: Cross multiply
    13,394.53x = 18,484.89 × 8,088.29
  4. Step 4: Simplify right side
    13,394.53x = 149,511,058.51
  5. Step 5: Solve for x
    x = 149,511,058.51/13,394.53
  6. Step 6: Final answer
    x = 11,162.10

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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.