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Finding the Fourth Proportional to 11,203.52, 16,809.93 and 3,803.96

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Solution

The fourth proportional to 11,203.52, 16,809.93 and 3,803.96 is: 5,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.52 : 16,809.93 = 3,803.96 : x
  2. Step 2: Convert to fraction form
    11,203.52/16,809.93 = 3,803.96/x
  3. Step 3: Cross multiply
    11,203.52x = 16,809.93 × 3,803.96
  4. Step 4: Simplify right side
    11,203.52x = 63,944,343.35
  5. Step 5: Solve for x
    x = 63,944,343.35/11,203.52
  6. Step 6: Final answer
    x = 5,707.53

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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.