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Finding the Fourth Proportional to 9,992.44, 14,997.86 and 5,065.58

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Solution

The fourth proportional to 9,992.44, 14,997.86 and 5,065.58 is: 7,603.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.44 : 14,997.86 = 5,065.58 : x
  2. Step 2: Convert to fraction form
    9,992.44/14,997.86 = 5,065.58/x
  3. Step 3: Cross multiply
    9,992.44x = 14,997.86 × 5,065.58
  4. Step 4: Simplify right side
    9,992.44x = 75,972,859.66
  5. Step 5: Solve for x
    x = 75,972,859.66/9,992.44
  6. Step 6: Final answer
    x = 7,603.03

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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.