Home / 13,604.97-20,405.05-3,741.87

Finding the Fourth Proportional to 13,604.97, 20,405.05 and 3,741.87

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Solution

The fourth proportional to 13,604.97, 20,405.05 and 3,741.87 is: 5,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.97 : 20,405.05 = 3,741.87 : x
  2. Step 2: Convert to fraction form
    13,604.97/20,405.05 = 3,741.87/x
  3. Step 3: Cross multiply
    13,604.97x = 20,405.05 × 3,741.87
  4. Step 4: Simplify right side
    13,604.97x = 76,352,923.71
  5. Step 5: Solve for x
    x = 76,352,923.71/13,604.97
  6. Step 6: Final answer
    x = 5,612.14

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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.