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Finding the Fourth Proportional to 12,522, 18,783 and 3,288

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Solution

The fourth proportional to 12,522, 18,783 and 3,288 is: 4,932

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522 : 18,783 = 3,288 : x
  2. Step 2: Convert to fraction form
    12,522/18,783 = 3,288/x
  3. Step 3: Cross multiply
    12,522x = 18,783 × 3,288
  4. Step 4: Simplify right side
    12,522x = 61,758,504
  5. Step 5: Solve for x
    x = 61,758,504/12,522
  6. Step 6: Final answer
    x = 4,932

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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.