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Finding the Fourth Proportional to 13,093.11, 18,068.50 and 7,124.66

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Solution

The fourth proportional to 13,093.11, 18,068.50 and 7,124.66 is: 9,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.11 : 18,068.50 = 7,124.66 : x
  2. Step 2: Convert to fraction form
    13,093.11/18,068.50 = 7,124.66/x
  3. Step 3: Cross multiply
    13,093.11x = 18,068.50 × 7,124.66
  4. Step 4: Simplify right side
    13,093.11x = 128,731,828.87
  5. Step 5: Solve for x
    x = 128,731,828.87/13,093.11
  6. Step 6: Final answer
    x = 9,832.03

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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.