Home / 21,736.77-29,997.87-12,176.10

Finding the Fourth Proportional to 21,736.77, 29,997.87 and 12,176.10

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Solution

The fourth proportional to 21,736.77, 29,997.87 and 12,176.10 is: 16,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736.77 : 29,997.87 = 12,176.10 : x
  2. Step 2: Convert to fraction form
    21,736.77/29,997.87 = 12,176.10/x
  3. Step 3: Cross multiply
    21,736.77x = 29,997.87 × 12,176.10
  4. Step 4: Simplify right side
    21,736.77x = 365,257,019.25
  5. Step 5: Solve for x
    x = 365,257,019.25/21,736.77
  6. Step 6: Final answer
    x = 16,803.65

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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.