Home / 11,078.18-16,617.13-2,758.26

Finding the Fourth Proportional to 11,078.18, 16,617.13 and 2,758.26

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Solution

The fourth proportional to 11,078.18, 16,617.13 and 2,758.26 is: 4,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.18 : 16,617.13 = 2,758.26 : x
  2. Step 2: Convert to fraction form
    11,078.18/16,617.13 = 2,758.26/x
  3. Step 3: Cross multiply
    11,078.18x = 16,617.13 × 2,758.26
  4. Step 4: Simplify right side
    11,078.18x = 45,834,358.10
  5. Step 5: Solve for x
    x = 45,834,358.10/11,078.18
  6. Step 6: Final answer
    x = 4,137.36

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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.