Home / 15,942.06-21,949.97-13,546.98

Finding the Fourth Proportional to 15,942.06, 21,949.97 and 13,546.98

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Solution

The fourth proportional to 15,942.06, 21,949.97 and 13,546.98 is: 18,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.06 : 21,949.97 = 13,546.98 : x
  2. Step 2: Convert to fraction form
    15,942.06/21,949.97 = 13,546.98/x
  3. Step 3: Cross multiply
    15,942.06x = 21,949.97 × 13,546.98
  4. Step 4: Simplify right side
    15,942.06x = 297,355,736.86
  5. Step 5: Solve for x
    x = 297,355,736.86/15,942.06
  6. Step 6: Final answer
    x = 18,652.28

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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.