Home / 13,104.54-19,659.85-3,744.68

Finding the Fourth Proportional to 13,104.54, 19,659.85 and 3,744.68

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Solution

The fourth proportional to 13,104.54, 19,659.85 and 3,744.68 is: 5,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.54 : 19,659.85 = 3,744.68 : x
  2. Step 2: Convert to fraction form
    13,104.54/19,659.85 = 3,744.68/x
  3. Step 3: Cross multiply
    13,104.54x = 19,659.85 × 3,744.68
  4. Step 4: Simplify right side
    13,104.54x = 73,619,847.10
  5. Step 5: Solve for x
    x = 73,619,847.10/13,104.54
  6. Step 6: Final answer
    x = 5,617.89

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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.