Home / 13,226.36-19,841.66-3,865.19

Finding the Fourth Proportional to 13,226.36, 19,841.66 and 3,865.19

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Solution

The fourth proportional to 13,226.36, 19,841.66 and 3,865.19 is: 5,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.36 : 19,841.66 = 3,865.19 : x
  2. Step 2: Convert to fraction form
    13,226.36/19,841.66 = 3,865.19/x
  3. Step 3: Cross multiply
    13,226.36x = 19,841.66 × 3,865.19
  4. Step 4: Simplify right side
    13,226.36x = 76,691,667.28
  5. Step 5: Solve for x
    x = 76,691,667.28/13,226.36
  6. Step 6: Final answer
    x = 5,798.40

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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.