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Finding the Fourth Proportional to 12,627.11, 18,934.00 and 5,604.08

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Solution

The fourth proportional to 12,627.11, 18,934.00 and 5,604.08 is: 8,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.11 : 18,934.00 = 5,604.08 : x
  2. Step 2: Convert to fraction form
    12,627.11/18,934.00 = 5,604.08/x
  3. Step 3: Cross multiply
    12,627.11x = 18,934.00 × 5,604.08
  4. Step 4: Simplify right side
    12,627.11x = 106,107,542.04
  5. Step 5: Solve for x
    x = 106,107,542.04/12,627.11
  6. Step 6: Final answer
    x = 8,403.15

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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.