Home / 13,694.06-20,541.09-3,305.81

Finding the Fourth Proportional to 13,694.06, 20,541.09 and 3,305.81

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Solution

The fourth proportional to 13,694.06, 20,541.09 and 3,305.81 is: 4,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.06 : 20,541.09 = 3,305.81 : x
  2. Step 2: Convert to fraction form
    13,694.06/20,541.09 = 3,305.81/x
  3. Step 3: Cross multiply
    13,694.06x = 20,541.09 × 3,305.81
  4. Step 4: Simplify right side
    13,694.06x = 67,905,004.48
  5. Step 5: Solve for x
    x = 67,905,004.48/13,694.06
  6. Step 6: Final answer
    x = 4,958.72

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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.