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Finding the Fourth Proportional to 13,002, 17,943 and 9,282.48

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Solution

The fourth proportional to 13,002, 17,943 and 9,282.48 is: 12,809.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002 : 17,943 = 9,282.48 : x
  2. Step 2: Convert to fraction form
    13,002/17,943 = 9,282.48/x
  3. Step 3: Cross multiply
    13,002x = 17,943 × 9,282.48
  4. Step 4: Simplify right side
    13,002x = 166,555,538.64
  5. Step 5: Solve for x
    x = 166,555,538.64/13,002
  6. Step 6: Final answer
    x = 12,809.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.