Home / 11,271.08-16,908.24-3,480.56

Finding the Fourth Proportional to 11,271.08, 16,908.24 and 3,480.56

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Solution

The fourth proportional to 11,271.08, 16,908.24 and 3,480.56 is: 5,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.08 : 16,908.24 = 3,480.56 : x
  2. Step 2: Convert to fraction form
    11,271.08/16,908.24 = 3,480.56/x
  3. Step 3: Cross multiply
    11,271.08x = 16,908.24 × 3,480.56
  4. Step 4: Simplify right side
    11,271.08x = 58,850,143.81
  5. Step 5: Solve for x
    x = 58,850,143.81/11,271.08
  6. Step 6: Final answer
    x = 5,221.34

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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.