Home / 13,027.30-19,540.70-3,166.50

Finding the Fourth Proportional to 13,027.30, 19,540.70 and 3,166.50

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Solution

The fourth proportional to 13,027.30, 19,540.70 and 3,166.50 is: 4,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.30 : 19,540.70 = 3,166.50 : x
  2. Step 2: Convert to fraction form
    13,027.30/19,540.70 = 3,166.50/x
  3. Step 3: Cross multiply
    13,027.30x = 19,540.70 × 3,166.50
  4. Step 4: Simplify right side
    13,027.30x = 61,875,626.55
  5. Step 5: Solve for x
    x = 61,875,626.55/13,027.30
  6. Step 6: Final answer
    x = 4,749.69

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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.