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Finding the Fourth Proportional to 17,201.33, 25,780.41 and 9,303.53

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Solution

The fourth proportional to 17,201.33, 25,780.41 and 9,303.53 is: 13,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,201.33 : 25,780.41 = 9,303.53 : x
  2. Step 2: Convert to fraction form
    17,201.33/25,780.41 = 9,303.53/x
  3. Step 3: Cross multiply
    17,201.33x = 25,780.41 × 9,303.53
  4. Step 4: Simplify right side
    17,201.33x = 239,848,817.85
  5. Step 5: Solve for x
    x = 239,848,817.85/17,201.33
  6. Step 6: Final answer
    x = 13,943.62

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1.5x scale

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.