Home / 11,408.11-17,113.81-3,511.30

Finding the Fourth Proportional to 11,408.11, 17,113.81 and 3,511.30

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Solution

The fourth proportional to 11,408.11, 17,113.81 and 3,511.30 is: 5,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.11 : 17,113.81 = 3,511.30 : x
  2. Step 2: Convert to fraction form
    11,408.11/17,113.81 = 3,511.30/x
  3. Step 3: Cross multiply
    11,408.11x = 17,113.81 × 3,511.30
  4. Step 4: Simplify right side
    11,408.11x = 60,091,721.05
  5. Step 5: Solve for x
    x = 60,091,721.05/11,408.11
  6. Step 6: Final answer
    x = 5,267.46

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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.