Home / 11,289.43-16,945.08-5,450.14

Finding the Fourth Proportional to 11,289.43, 16,945.08 and 5,450.14

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Solution

The fourth proportional to 11,289.43, 16,945.08 and 5,450.14 is: 8,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.43 : 16,945.08 = 5,450.14 : x
  2. Step 2: Convert to fraction form
    11,289.43/16,945.08 = 5,450.14/x
  3. Step 3: Cross multiply
    11,289.43x = 16,945.08 × 5,450.14
  4. Step 4: Simplify right side
    11,289.43x = 92,353,058.31
  5. Step 5: Solve for x
    x = 92,353,058.31/11,289.43
  6. Step 6: Final answer
    x = 8,180.49

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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.