Home / 18,627.84-27,951.12-8,766

Finding the Fourth Proportional to 18,627.84, 27,951.12 and 8,766

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Solution

The fourth proportional to 18,627.84, 27,951.12 and 8,766 is: 13,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.84 : 27,951.12 = 8,766 : x
  2. Step 2: Convert to fraction form
    18,627.84/27,951.12 = 8,766/x
  3. Step 3: Cross multiply
    18,627.84x = 27,951.12 × 8,766
  4. Step 4: Simplify right side
    18,627.84x = 245,019,517.92
  5. Step 5: Solve for x
    x = 245,019,517.92/18,627.84
  6. Step 6: Final answer
    x = 13,153.40

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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.