Home / 11,778.32-17,667.44-3,013.20

Finding the Fourth Proportional to 11,778.32, 17,667.44 and 3,013.20

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Solution

The fourth proportional to 11,778.32, 17,667.44 and 3,013.20 is: 4,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.32 : 17,667.44 = 3,013.20 : x
  2. Step 2: Convert to fraction form
    11,778.32/17,667.44 = 3,013.20/x
  3. Step 3: Cross multiply
    11,778.32x = 17,667.44 × 3,013.20
  4. Step 4: Simplify right side
    11,778.32x = 53,235,530.21
  5. Step 5: Solve for x
    x = 53,235,530.21/11,778.32
  6. Step 6: Final answer
    x = 4,519.79

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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.