Home / 11,408.31-17,112.15-3,616.92

Finding the Fourth Proportional to 11,408.31, 17,112.15 and 3,616.92

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Solution

The fourth proportional to 11,408.31, 17,112.15 and 3,616.92 is: 5,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.31 : 17,112.15 = 3,616.92 : x
  2. Step 2: Convert to fraction form
    11,408.31/17,112.15 = 3,616.92/x
  3. Step 3: Cross multiply
    11,408.31x = 17,112.15 × 3,616.92
  4. Step 4: Simplify right side
    11,408.31x = 61,893,277.58
  5. Step 5: Solve for x
    x = 61,893,277.58/11,408.31
  6. Step 6: Final answer
    x = 5,425.28

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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.