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Finding the Fourth Proportional to 17,843.19, 24,623.28 and 9,885.39

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Solution

The fourth proportional to 17,843.19, 24,623.28 and 9,885.39 is: 13,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.19 : 24,623.28 = 9,885.39 : x
  2. Step 2: Convert to fraction form
    17,843.19/24,623.28 = 9,885.39/x
  3. Step 3: Cross multiply
    17,843.19x = 24,623.28 × 9,885.39
  4. Step 4: Simplify right side
    17,843.19x = 243,410,725.88
  5. Step 5: Solve for x
    x = 243,410,725.88/17,843.19
  6. Step 6: Final answer
    x = 13,641.66

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Half scale
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Double scale
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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.