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Finding the Fourth Proportional to 9,791.48, 14,654.42 and 8,036.42

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Solution

The fourth proportional to 9,791.48, 14,654.42 and 8,036.42 is: 12,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791.48 : 14,654.42 = 8,036.42 : x
  2. Step 2: Convert to fraction form
    9,791.48/14,654.42 = 8,036.42/x
  3. Step 3: Cross multiply
    9,791.48x = 14,654.42 × 8,036.42
  4. Step 4: Simplify right side
    9,791.48x = 117,768,990.66
  5. Step 5: Solve for x
    x = 117,768,990.66/9,791.48
  6. Step 6: Final answer
    x = 12,027.70

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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.