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Finding the Fourth Proportional to 9,801.14, 13,525.50 and 5,324.88

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Solution

The fourth proportional to 9,801.14, 13,525.50 and 5,324.88 is: 7,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.14 : 13,525.50 = 5,324.88 : x
  2. Step 2: Convert to fraction form
    9,801.14/13,525.50 = 5,324.88/x
  3. Step 3: Cross multiply
    9,801.14x = 13,525.50 × 5,324.88
  4. Step 4: Simplify right side
    9,801.14x = 72,021,664.44
  5. Step 5: Solve for x
    x = 72,021,664.44/9,801.14
  6. Step 6: Final answer
    x = 7,348.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.