Home / 9,997.37-13,795.73-5,520.86

Finding the Fourth Proportional to 9,997.37, 13,795.73 and 5,520.86

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Solution

The fourth proportional to 9,997.37, 13,795.73 and 5,520.86 is: 7,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.37 : 13,795.73 = 5,520.86 : x
  2. Step 2: Convert to fraction form
    9,997.37/13,795.73 = 5,520.86/x
  3. Step 3: Cross multiply
    9,997.37x = 13,795.73 × 5,520.86
  4. Step 4: Simplify right side
    9,997.37x = 76,164,197.34
  5. Step 5: Solve for x
    x = 76,164,197.34/9,997.37
  6. Step 6: Final answer
    x = 7,618.42

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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.