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Finding the Fourth Proportional to 12,383, 17,088.54 and 6,793.88

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Solution

The fourth proportional to 12,383, 17,088.54 and 6,793.88 is: 9,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383 : 17,088.54 = 6,793.88 : x
  2. Step 2: Convert to fraction form
    12,383/17,088.54 = 6,793.88/x
  3. Step 3: Cross multiply
    12,383x = 17,088.54 × 6,793.88
  4. Step 4: Simplify right side
    12,383x = 116,097,490.14
  5. Step 5: Solve for x
    x = 116,097,490.14/12,383
  6. Step 6: Final answer
    x = 9,375.55

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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.