Home / 20,997.48-31,486.78-6,201.24

Finding the Fourth Proportional to 20,997.48, 31,486.78 and 6,201.24

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Solution

The fourth proportional to 20,997.48, 31,486.78 and 6,201.24 is: 9,299.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997.48 : 31,486.78 = 6,201.24 : x
  2. Step 2: Convert to fraction form
    20,997.48/31,486.78 = 6,201.24/x
  3. Step 3: Cross multiply
    20,997.48x = 31,486.78 × 6,201.24
  4. Step 4: Simplify right side
    20,997.48x = 195,257,079.61
  5. Step 5: Solve for x
    x = 195,257,079.61/20,997.48
  6. Step 6: Final answer
    x = 9,299.07

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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.