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Finding the Fourth Proportional to 17,244.21, 25,853.21 and 8,918.93

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Solution

The fourth proportional to 17,244.21, 25,853.21 and 8,918.93 is: 13,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,244.21 : 25,853.21 = 8,918.93 : x
  2. Step 2: Convert to fraction form
    17,244.21/25,853.21 = 8,918.93/x
  3. Step 3: Cross multiply
    17,244.21x = 25,853.21 × 8,918.93
  4. Step 4: Simplify right side
    17,244.21x = 230,582,878.33
  5. Step 5: Solve for x
    x = 230,582,878.33/17,244.21
  6. Step 6: Final answer
    x = 13,371.61

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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.