Home / 13,205.39-19,812.32-3,845.97

Finding the Fourth Proportional to 13,205.39, 19,812.32 and 3,845.97

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Solution

The fourth proportional to 13,205.39, 19,812.32 and 3,845.97 is: 5,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205.39 : 19,812.32 = 3,845.97 : x
  2. Step 2: Convert to fraction form
    13,205.39/19,812.32 = 3,845.97/x
  3. Step 3: Cross multiply
    13,205.39x = 19,812.32 × 3,845.97
  4. Step 4: Simplify right side
    13,205.39x = 76,197,588.35
  5. Step 5: Solve for x
    x = 76,197,588.35/13,205.39
  6. Step 6: Final answer
    x = 5,770.19

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1.5x scale

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.