Home / 12,619.58-18,896.54-6,747.48

Finding the Fourth Proportional to 12,619.58, 18,896.54 and 6,747.48

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Solution

The fourth proportional to 12,619.58, 18,896.54 and 6,747.48 is: 10,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.58 : 18,896.54 = 6,747.48 : x
  2. Step 2: Convert to fraction form
    12,619.58/18,896.54 = 6,747.48/x
  3. Step 3: Cross multiply
    12,619.58x = 18,896.54 × 6,747.48
  4. Step 4: Simplify right side
    12,619.58x = 127,504,025.72
  5. Step 5: Solve for x
    x = 127,504,025.72/12,619.58
  6. Step 6: Final answer
    x = 10,103.67

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1.5x scale

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.