Home / 11,942.21-16,480.34-6,564.75

Finding the Fourth Proportional to 11,942.21, 16,480.34 and 6,564.75

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Solution

The fourth proportional to 11,942.21, 16,480.34 and 6,564.75 is: 9,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.21 : 16,480.34 = 6,564.75 : x
  2. Step 2: Convert to fraction form
    11,942.21/16,480.34 = 6,564.75/x
  3. Step 3: Cross multiply
    11,942.21x = 16,480.34 × 6,564.75
  4. Step 4: Simplify right side
    11,942.21x = 108,189,223.54
  5. Step 5: Solve for x
    x = 108,189,223.54/11,942.21
  6. Step 6: Final answer
    x = 9,059.40

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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.