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Finding the Fourth Proportional to 11,597.52, 17,385.36 and 3,801.28

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Solution

The fourth proportional to 11,597.52, 17,385.36 and 3,801.28 is: 5,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,597.52 : 17,385.36 = 3,801.28 : x
  2. Step 2: Convert to fraction form
    11,597.52/17,385.36 = 3,801.28/x
  3. Step 3: Cross multiply
    11,597.52x = 17,385.36 × 3,801.28
  4. Step 4: Simplify right side
    11,597.52x = 66,086,621.26
  5. Step 5: Solve for x
    x = 66,086,621.26/11,597.52
  6. Step 6: Final answer
    x = 5,698.34

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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.