Home / 11,408.02-17,118.90-4,018

Finding the Fourth Proportional to 11,408.02, 17,118.90 and 4,018

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Solution

The fourth proportional to 11,408.02, 17,118.90 and 4,018 is: 6,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.02 : 17,118.90 = 4,018 : x
  2. Step 2: Convert to fraction form
    11,408.02/17,118.90 = 4,018/x
  3. Step 3: Cross multiply
    11,408.02x = 17,118.90 × 4,018
  4. Step 4: Simplify right side
    11,408.02x = 68,783,740.20
  5. Step 5: Solve for x
    x = 68,783,740.20/11,408.02
  6. Step 6: Final answer
    x = 6,029.42

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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.