Home / 11,946.75-17,938.62-6,410.90

Finding the Fourth Proportional to 11,946.75, 17,938.62 and 6,410.90

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Solution

The fourth proportional to 11,946.75, 17,938.62 and 6,410.90 is: 9,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.75 : 17,938.62 = 6,410.90 : x
  2. Step 2: Convert to fraction form
    11,946.75/17,938.62 = 6,410.90/x
  3. Step 3: Cross multiply
    11,946.75x = 17,938.62 × 6,410.90
  4. Step 4: Simplify right side
    11,946.75x = 115,002,609.26
  5. Step 5: Solve for x
    x = 115,002,609.26/11,946.75
  6. Step 6: Final answer
    x = 9,626.27

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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.