Home / 19,027.10-26,257.64-11,859.91

Finding the Fourth Proportional to 19,027.10, 26,257.64 and 11,859.91

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Solution

The fourth proportional to 19,027.10, 26,257.64 and 11,859.91 is: 16,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.10 : 26,257.64 = 11,859.91 : x
  2. Step 2: Convert to fraction form
    19,027.10/26,257.64 = 11,859.91/x
  3. Step 3: Cross multiply
    19,027.10x = 26,257.64 × 11,859.91
  4. Step 4: Simplify right side
    19,027.10x = 311,413,247.21
  5. Step 5: Solve for x
    x = 311,413,247.21/19,027.10
  6. Step 6: Final answer
    x = 16,366.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.