Home / 12,648.62-18,975.38-4,856.82

Finding the Fourth Proportional to 12,648.62, 18,975.38 and 4,856.82

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Solution

The fourth proportional to 12,648.62, 18,975.38 and 4,856.82 is: 7,286.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.62 : 18,975.38 = 4,856.82 : x
  2. Step 2: Convert to fraction form
    12,648.62/18,975.38 = 4,856.82/x
  3. Step 3: Cross multiply
    12,648.62x = 18,975.38 × 4,856.82
  4. Step 4: Simplify right side
    12,648.62x = 92,160,005.09
  5. Step 5: Solve for x
    x = 92,160,005.09/12,648.62
  6. Step 6: Final answer
    x = 7,286.17

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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.