Home / 11,211.40-16,811.34-6,021.64

Finding the Fourth Proportional to 11,211.40, 16,811.34 and 6,021.64

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Solution

The fourth proportional to 11,211.40, 16,811.34 and 6,021.64 is: 9,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.40 : 16,811.34 = 6,021.64 : x
  2. Step 2: Convert to fraction form
    11,211.40/16,811.34 = 6,021.64/x
  3. Step 3: Cross multiply
    11,211.40x = 16,811.34 × 6,021.64
  4. Step 4: Simplify right side
    11,211.40x = 101,231,837.40
  5. Step 5: Solve for x
    x = 101,231,837.40/11,211.40
  6. Step 6: Final answer
    x = 9,029.37

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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.