Home / 11,745.60-17,618.17-2,860.98

Finding the Fourth Proportional to 11,745.60, 17,618.17 and 2,860.98

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Solution

The fourth proportional to 11,745.60, 17,618.17 and 2,860.98 is: 4,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.60 : 17,618.17 = 2,860.98 : x
  2. Step 2: Convert to fraction form
    11,745.60/17,618.17 = 2,860.98/x
  3. Step 3: Cross multiply
    11,745.60x = 17,618.17 × 2,860.98
  4. Step 4: Simplify right side
    11,745.60x = 50,405,268.90
  5. Step 5: Solve for x
    x = 50,405,268.90/11,745.60
  6. Step 6: Final answer
    x = 4,291.42

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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.