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Finding the Fourth Proportional to 12,001.63, 18,002.99 and 3,681.04

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Solution

The fourth proportional to 12,001.63, 18,002.99 and 3,681.04 is: 5,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.63 : 18,002.99 = 3,681.04 : x
  2. Step 2: Convert to fraction form
    12,001.63/18,002.99 = 3,681.04/x
  3. Step 3: Cross multiply
    12,001.63x = 18,002.99 × 3,681.04
  4. Step 4: Simplify right side
    12,001.63x = 66,269,726.31
  5. Step 5: Solve for x
    x = 66,269,726.31/12,001.63
  6. Step 6: Final answer
    x = 5,521.73

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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.