Home / 13,901.82-20,852.57-5,581.69

Finding the Fourth Proportional to 13,901.82, 20,852.57 and 5,581.69

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Solution

The fourth proportional to 13,901.82, 20,852.57 and 5,581.69 is: 8,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.82 : 20,852.57 = 5,581.69 : x
  2. Step 2: Convert to fraction form
    13,901.82/20,852.57 = 5,581.69/x
  3. Step 3: Cross multiply
    13,901.82x = 20,852.57 × 5,581.69
  4. Step 4: Simplify right side
    13,901.82x = 116,392,687.00
  5. Step 5: Solve for x
    x = 116,392,687.00/13,901.82
  6. Step 6: Final answer
    x = 8,372.48

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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.