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Finding the Fourth Proportional to 11,212, 16,818 and 3,004

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Solution

The fourth proportional to 11,212, 16,818 and 3,004 is: 4,506

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212 : 16,818 = 3,004 : x
  2. Step 2: Convert to fraction form
    11,212/16,818 = 3,004/x
  3. Step 3: Cross multiply
    11,212x = 16,818 × 3,004
  4. Step 4: Simplify right side
    11,212x = 50,521,272
  5. Step 5: Solve for x
    x = 50,521,272/11,212
  6. Step 6: Final answer
    x = 4,506

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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.