Home / 19,391.32-29,087.09-6,911.83

Finding the Fourth Proportional to 19,391.32, 29,087.09 and 6,911.83

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Solution

The fourth proportional to 19,391.32, 29,087.09 and 6,911.83 is: 10,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.32 : 29,087.09 = 6,911.83 : x
  2. Step 2: Convert to fraction form
    19,391.32/29,087.09 = 6,911.83/x
  3. Step 3: Cross multiply
    19,391.32x = 29,087.09 × 6,911.83
  4. Step 4: Simplify right side
    19,391.32x = 201,045,021.27
  5. Step 5: Solve for x
    x = 201,045,021.27/19,391.32
  6. Step 6: Final answer
    x = 10,367.78

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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.