Home / 11,784.67-16,273.29-8,021.86

Finding the Fourth Proportional to 11,784.67, 16,273.29 and 8,021.86

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Solution

The fourth proportional to 11,784.67, 16,273.29 and 8,021.86 is: 11,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.67 : 16,273.29 = 8,021.86 : x
  2. Step 2: Convert to fraction form
    11,784.67/16,273.29 = 8,021.86/x
  3. Step 3: Cross multiply
    11,784.67x = 16,273.29 × 8,021.86
  4. Step 4: Simplify right side
    11,784.67x = 130,542,054.12
  5. Step 5: Solve for x
    x = 130,542,054.12/11,784.67
  6. Step 6: Final answer
    x = 11,077.28

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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.