Home / 11,767.08-17,638.38-3,971.64

Finding the Fourth Proportional to 11,767.08, 17,638.38 and 3,971.64

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Solution

The fourth proportional to 11,767.08, 17,638.38 and 3,971.64 is: 5,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.08 : 17,638.38 = 3,971.64 : x
  2. Step 2: Convert to fraction form
    11,767.08/17,638.38 = 3,971.64/x
  3. Step 3: Cross multiply
    11,767.08x = 17,638.38 × 3,971.64
  4. Step 4: Simplify right side
    11,767.08x = 70,053,295.54
  5. Step 5: Solve for x
    x = 70,053,295.54/11,767.08
  6. Step 6: Final answer
    x = 5,953.33

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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.