Home / 11,214.28-16,805.56-6,218.86

Finding the Fourth Proportional to 11,214.28, 16,805.56 and 6,218.86

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Solution

The fourth proportional to 11,214.28, 16,805.56 and 6,218.86 is: 9,319.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.28 : 16,805.56 = 6,218.86 : x
  2. Step 2: Convert to fraction form
    11,214.28/16,805.56 = 6,218.86/x
  3. Step 3: Cross multiply
    11,214.28x = 16,805.56 × 6,218.86
  4. Step 4: Simplify right side
    11,214.28x = 104,511,367.30
  5. Step 5: Solve for x
    x = 104,511,367.30/11,214.28
  6. Step 6: Final answer
    x = 9,319.49

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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.