Home / 11,173.02-15,415.97-8,183.66

Finding the Fourth Proportional to 11,173.02, 15,415.97 and 8,183.66

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Solution

The fourth proportional to 11,173.02, 15,415.97 and 8,183.66 is: 11,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.02 : 15,415.97 = 8,183.66 : x
  2. Step 2: Convert to fraction form
    11,173.02/15,415.97 = 8,183.66/x
  3. Step 3: Cross multiply
    11,173.02x = 15,415.97 × 8,183.66
  4. Step 4: Simplify right side
    11,173.02x = 126,159,054.67
  5. Step 5: Solve for x
    x = 126,159,054.67/11,173.02
  6. Step 6: Final answer
    x = 11,291.40

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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.