Home / 18,738.70-28,094.21-11,341.54

Finding the Fourth Proportional to 18,738.70, 28,094.21 and 11,341.54

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Solution

The fourth proportional to 18,738.70, 28,094.21 and 11,341.54 is: 17,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.70 : 28,094.21 = 11,341.54 : x
  2. Step 2: Convert to fraction form
    18,738.70/28,094.21 = 11,341.54/x
  3. Step 3: Cross multiply
    18,738.70x = 28,094.21 × 11,341.54
  4. Step 4: Simplify right side
    18,738.70x = 318,631,466.01
  5. Step 5: Solve for x
    x = 318,631,466.01/18,738.70
  6. Step 6: Final answer
    x = 17,003.93

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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.