Home / 12,684.44-19,029.36-4,786.80

Finding the Fourth Proportional to 12,684.44, 19,029.36 and 4,786.80

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Solution

The fourth proportional to 12,684.44, 19,029.36 and 4,786.80 is: 7,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.44 : 19,029.36 = 4,786.80 : x
  2. Step 2: Convert to fraction form
    12,684.44/19,029.36 = 4,786.80/x
  3. Step 3: Cross multiply
    12,684.44x = 19,029.36 × 4,786.80
  4. Step 4: Simplify right side
    12,684.44x = 91,089,740.45
  5. Step 5: Solve for x
    x = 91,089,740.45/12,684.44
  6. Step 6: Final answer
    x = 7,181.22

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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.