Home / 11,408.56-17,102.84-5,482.48

Finding the Fourth Proportional to 11,408.56, 17,102.84 and 5,482.48

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Solution

The fourth proportional to 11,408.56, 17,102.84 and 5,482.48 is: 8,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.56 : 17,102.84 = 5,482.48 : x
  2. Step 2: Convert to fraction form
    11,408.56/17,102.84 = 5,482.48/x
  3. Step 3: Cross multiply
    11,408.56x = 17,102.84 × 5,482.48
  4. Step 4: Simplify right side
    11,408.56x = 93,765,978.24
  5. Step 5: Solve for x
    x = 93,765,978.24/11,408.56
  6. Step 6: Final answer
    x = 8,218.91

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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.