Home / 13,819.81-20,735.79-5,056.03

Finding the Fourth Proportional to 13,819.81, 20,735.79 and 5,056.03

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Solution

The fourth proportional to 13,819.81, 20,735.79 and 5,056.03 is: 7,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.81 : 20,735.79 = 5,056.03 : x
  2. Step 2: Convert to fraction form
    13,819.81/20,735.79 = 5,056.03/x
  3. Step 3: Cross multiply
    13,819.81x = 20,735.79 × 5,056.03
  4. Step 4: Simplify right side
    13,819.81x = 104,840,776.31
  5. Step 5: Solve for x
    x = 104,840,776.31/13,819.81
  6. Step 6: Final answer
    x = 7,586.27

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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.