Home / 11,778.19-17,667.39-3,458.35

Finding the Fourth Proportional to 11,778.19, 17,667.39 and 3,458.35

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Solution

The fourth proportional to 11,778.19, 17,667.39 and 3,458.35 is: 5,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.19 : 17,667.39 = 3,458.35 : x
  2. Step 2: Convert to fraction form
    11,778.19/17,667.39 = 3,458.35/x
  3. Step 3: Cross multiply
    11,778.19x = 17,667.39 × 3,458.35
  4. Step 4: Simplify right side
    11,778.19x = 61,100,018.21
  5. Step 5: Solve for x
    x = 61,100,018.21/11,778.19
  6. Step 6: Final answer
    x = 5,187.56

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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.