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Finding the Fourth Proportional to 18,563.51, 27,851.02 and 6,083.64

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Solution

The fourth proportional to 18,563.51, 27,851.02 and 6,083.64 is: 9,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.51 : 27,851.02 = 6,083.64 : x
  2. Step 2: Convert to fraction form
    18,563.51/27,851.02 = 6,083.64/x
  3. Step 3: Cross multiply
    18,563.51x = 27,851.02 × 6,083.64
  4. Step 4: Simplify right side
    18,563.51x = 169,435,564.10
  5. Step 5: Solve for x
    x = 169,435,564.10/18,563.51
  6. Step 6: Final answer
    x = 9,127.34

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Why These Related Problems?

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