Home / 12,896.38-19,351.24-5,498.86

Finding the Fourth Proportional to 12,896.38, 19,351.24 and 5,498.86

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Solution

The fourth proportional to 12,896.38, 19,351.24 and 5,498.86 is: 8,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.38 : 19,351.24 = 5,498.86 : x
  2. Step 2: Convert to fraction form
    12,896.38/19,351.24 = 5,498.86/x
  3. Step 3: Cross multiply
    12,896.38x = 19,351.24 × 5,498.86
  4. Step 4: Simplify right side
    12,896.38x = 106,409,661.18
  5. Step 5: Solve for x
    x = 106,409,661.18/12,896.38
  6. Step 6: Final answer
    x = 8,251.12

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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.