Home / 13,346.24-20,018.88-4,112

Finding the Fourth Proportional to 13,346.24, 20,018.88 and 4,112

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Solution

The fourth proportional to 13,346.24, 20,018.88 and 4,112 is: 6,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.24 : 20,018.88 = 4,112 : x
  2. Step 2: Convert to fraction form
    13,346.24/20,018.88 = 4,112/x
  3. Step 3: Cross multiply
    13,346.24x = 20,018.88 × 4,112
  4. Step 4: Simplify right side
    13,346.24x = 82,317,634.56
  5. Step 5: Solve for x
    x = 82,317,634.56/13,346.24
  6. Step 6: Final answer
    x = 6,167.85

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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.