Home / 13,858.06-20,789.80-5,093.04

Finding the Fourth Proportional to 13,858.06, 20,789.80 and 5,093.04

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Solution

The fourth proportional to 13,858.06, 20,789.80 and 5,093.04 is: 7,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.06 : 20,789.80 = 5,093.04 : x
  2. Step 2: Convert to fraction form
    13,858.06/20,789.80 = 5,093.04/x
  3. Step 3: Cross multiply
    13,858.06x = 20,789.80 × 5,093.04
  4. Step 4: Simplify right side
    13,858.06x = 105,883,282.99
  5. Step 5: Solve for x
    x = 105,883,282.99/13,858.06
  6. Step 6: Final answer
    x = 7,640.56

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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.