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Finding the Fourth Proportional to 13,047.99, 18,005.00 and 7,382.04

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Solution

The fourth proportional to 13,047.99, 18,005.00 and 7,382.04 is: 10,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.99 : 18,005.00 = 7,382.04 : x
  2. Step 2: Convert to fraction form
    13,047.99/18,005.00 = 7,382.04/x
  3. Step 3: Cross multiply
    13,047.99x = 18,005.00 × 7,382.04
  4. Step 4: Simplify right side
    13,047.99x = 132,913,593.29
  5. Step 5: Solve for x
    x = 132,913,593.29/13,047.99
  6. Step 6: Final answer
    x = 10,186.52

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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.