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Finding the Fourth Proportional to 12,604.77, 18,901.67 and 3,837.62

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Solution

The fourth proportional to 12,604.77, 18,901.67 and 3,837.62 is: 5,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.77 : 18,901.67 = 3,837.62 : x
  2. Step 2: Convert to fraction form
    12,604.77/18,901.67 = 3,837.62/x
  3. Step 3: Cross multiply
    12,604.77x = 18,901.67 × 3,837.62
  4. Step 4: Simplify right side
    12,604.77x = 72,537,454.89
  5. Step 5: Solve for x
    x = 72,537,454.89/12,604.77
  6. Step 6: Final answer
    x = 5,754.76

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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.