Home / 13,171-19,764.26-4,856.82

Finding the Fourth Proportional to 13,171, 19,764.26 and 4,856.82

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Solution

The fourth proportional to 13,171, 19,764.26 and 4,856.82 is: 7,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171 : 19,764.26 = 4,856.82 : x
  2. Step 2: Convert to fraction form
    13,171/19,764.26 = 4,856.82/x
  3. Step 3: Cross multiply
    13,171x = 19,764.26 × 4,856.82
  4. Step 4: Simplify right side
    13,171x = 95,991,453.25
  5. Step 5: Solve for x
    x = 95,991,453.25/13,171
  6. Step 6: Final answer
    x = 7,288.09

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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.