Home / 11,162.79-16,745.81-3,372.21

Finding the Fourth Proportional to 11,162.79, 16,745.81 and 3,372.21

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Solution

The fourth proportional to 11,162.79, 16,745.81 and 3,372.21 is: 5,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.79 : 16,745.81 = 3,372.21 : x
  2. Step 2: Convert to fraction form
    11,162.79/16,745.81 = 3,372.21/x
  3. Step 3: Cross multiply
    11,162.79x = 16,745.81 × 3,372.21
  4. Step 4: Simplify right side
    11,162.79x = 56,470,371.08
  5. Step 5: Solve for x
    x = 56,470,371.08/11,162.79
  6. Step 6: Final answer
    x = 5,058.80

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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.