Home / 11,071.36-16,607-3,279.54

Finding the Fourth Proportional to 11,071.36, 16,607 and 3,279.54

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Solution

The fourth proportional to 11,071.36, 16,607 and 3,279.54 is: 4,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.36 : 16,607 = 3,279.54 : x
  2. Step 2: Convert to fraction form
    11,071.36/16,607 = 3,279.54/x
  3. Step 3: Cross multiply
    11,071.36x = 16,607 × 3,279.54
  4. Step 4: Simplify right side
    11,071.36x = 54,463,320.78
  5. Step 5: Solve for x
    x = 54,463,320.78/11,071.36
  6. Step 6: Final answer
    x = 4,919.30

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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.