Home / 18,499.54-27,749.31-8,104

Finding the Fourth Proportional to 18,499.54, 27,749.31 and 8,104

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Solution

The fourth proportional to 18,499.54, 27,749.31 and 8,104 is: 12,156

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.54 : 27,749.31 = 8,104 : x
  2. Step 2: Convert to fraction form
    18,499.54/27,749.31 = 8,104/x
  3. Step 3: Cross multiply
    18,499.54x = 27,749.31 × 8,104
  4. Step 4: Simplify right side
    18,499.54x = 224,880,408.24
  5. Step 5: Solve for x
    x = 224,880,408.24/18,499.54
  6. Step 6: Final answer
    x = 12,156

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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.