Home / 11,003.66-15,184.79-6,287.64

Finding the Fourth Proportional to 11,003.66, 15,184.79 and 6,287.64

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Solution

The fourth proportional to 11,003.66, 15,184.79 and 6,287.64 is: 8,676.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.66 : 15,184.79 = 6,287.64 : x
  2. Step 2: Convert to fraction form
    11,003.66/15,184.79 = 6,287.64/x
  3. Step 3: Cross multiply
    11,003.66x = 15,184.79 × 6,287.64
  4. Step 4: Simplify right side
    11,003.66x = 95,476,493.00
  5. Step 5: Solve for x
    x = 95,476,493.00/11,003.66
  6. Step 6: Final answer
    x = 8,676.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.