Home / 13,608.93-20,410.29-3,749.07

Finding the Fourth Proportional to 13,608.93, 20,410.29 and 3,749.07

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Solution

The fourth proportional to 13,608.93, 20,410.29 and 3,749.07 is: 5,622.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608.93 : 20,410.29 = 3,749.07 : x
  2. Step 2: Convert to fraction form
    13,608.93/20,410.29 = 3,749.07/x
  3. Step 3: Cross multiply
    13,608.93x = 20,410.29 × 3,749.07
  4. Step 4: Simplify right side
    13,608.93x = 76,519,605.93
  5. Step 5: Solve for x
    x = 76,519,605.93/13,608.93
  6. Step 6: Final answer
    x = 5,622.75

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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.