Home / 11,112.09-16,666.92-4,451.39

Finding the Fourth Proportional to 11,112.09, 16,666.92 and 4,451.39

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Solution

The fourth proportional to 11,112.09, 16,666.92 and 4,451.39 is: 6,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.09 : 16,666.92 = 4,451.39 : x
  2. Step 2: Convert to fraction form
    11,112.09/16,666.92 = 4,451.39/x
  3. Step 3: Cross multiply
    11,112.09x = 16,666.92 × 4,451.39
  4. Step 4: Simplify right side
    11,112.09x = 74,190,961.02
  5. Step 5: Solve for x
    x = 74,190,961.02/11,112.09
  6. Step 6: Final answer
    x = 6,676.60

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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.