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Finding the Fourth Proportional to 18,003.77, 27,008.36 and 6,314.93

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Solution

The fourth proportional to 18,003.77, 27,008.36 and 6,314.93 is: 9,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.77 : 27,008.36 = 6,314.93 : x
  2. Step 2: Convert to fraction form
    18,003.77/27,008.36 = 6,314.93/x
  3. Step 3: Cross multiply
    18,003.77x = 27,008.36 × 6,314.93
  4. Step 4: Simplify right side
    18,003.77x = 170,555,871.24
  5. Step 5: Solve for x
    x = 170,555,871.24/18,003.77
  6. Step 6: Final answer
    x = 9,473.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.