Home / 21,736.68-29,997.36-12,176.97

Finding the Fourth Proportional to 21,736.68, 29,997.36 and 12,176.97

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Solution

The fourth proportional to 21,736.68, 29,997.36 and 12,176.97 is: 16,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.68 : 29,997.36 = 12,176.97 : x
  2. Step 2: Convert to fraction form
    21,736.68/29,997.36 = 12,176.97/x
  3. Step 3: Cross multiply
    21,736.68x = 29,997.36 × 12,176.97
  4. Step 4: Simplify right side
    21,736.68x = 365,276,952.80
  5. Step 5: Solve for x
    x = 365,276,952.80/21,736.68
  6. Step 6: Final answer
    x = 16,804.63

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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.