Home / 12,628.62-18,951.30-4,837.14

Finding the Fourth Proportional to 12,628.62, 18,951.30 and 4,837.14

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Solution

The fourth proportional to 12,628.62, 18,951.30 and 4,837.14 is: 7,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.62 : 18,951.30 = 4,837.14 : x
  2. Step 2: Convert to fraction form
    12,628.62/18,951.30 = 4,837.14/x
  3. Step 3: Cross multiply
    12,628.62x = 18,951.30 × 4,837.14
  4. Step 4: Simplify right side
    12,628.62x = 91,670,091.28
  5. Step 5: Solve for x
    x = 91,670,091.28/12,628.62
  6. Step 6: Final answer
    x = 7,258.92

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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.