Home / 11,271.75-16,908.71-3,063.75

Finding the Fourth Proportional to 11,271.75, 16,908.71 and 3,063.75

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Solution

The fourth proportional to 11,271.75, 16,908.71 and 3,063.75 is: 4,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.75 : 16,908.71 = 3,063.75 : x
  2. Step 2: Convert to fraction form
    11,271.75/16,908.71 = 3,063.75/x
  3. Step 3: Cross multiply
    11,271.75x = 16,908.71 × 3,063.75
  4. Step 4: Simplify right side
    11,271.75x = 51,804,044.94
  5. Step 5: Solve for x
    x = 51,804,044.94/11,271.75
  6. Step 6: Final answer
    x = 4,595.92

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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.