Home / 13,901.05-20,852.58-3,907.27

Finding the Fourth Proportional to 13,901.05, 20,852.58 and 3,907.27

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Solution

The fourth proportional to 13,901.05, 20,852.58 and 3,907.27 is: 5,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.05 : 20,852.58 = 3,907.27 : x
  2. Step 2: Convert to fraction form
    13,901.05/20,852.58 = 3,907.27/x
  3. Step 3: Cross multiply
    13,901.05x = 20,852.58 × 3,907.27
  4. Step 4: Simplify right side
    13,901.05x = 81,476,660.26
  5. Step 5: Solve for x
    x = 81,476,660.26/13,901.05
  6. Step 6: Final answer
    x = 5,861.19

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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.