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Finding the Fourth Proportional to 12,605.88, 18,911.64 and 3,841.48

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Solution

The fourth proportional to 12,605.88, 18,911.64 and 3,841.48 is: 5,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605.88 : 18,911.64 = 3,841.48 : x
  2. Step 2: Convert to fraction form
    12,605.88/18,911.64 = 3,841.48/x
  3. Step 3: Cross multiply
    12,605.88x = 18,911.64 × 3,841.48
  4. Step 4: Simplify right side
    12,605.88x = 72,648,686.83
  5. Step 5: Solve for x
    x = 72,648,686.83/12,605.88
  6. Step 6: Final answer
    x = 5,763.08

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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.