Home / 11,784.45-17,676.36-2,899.86

Finding the Fourth Proportional to 11,784.45, 17,676.36 and 2,899.86

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Solution

The fourth proportional to 11,784.45, 17,676.36 and 2,899.86 is: 4,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.45 : 17,676.36 = 2,899.86 : x
  2. Step 2: Convert to fraction form
    11,784.45/17,676.36 = 2,899.86/x
  3. Step 3: Cross multiply
    11,784.45x = 17,676.36 × 2,899.86
  4. Step 4: Simplify right side
    11,784.45x = 51,258,969.31
  5. Step 5: Solve for x
    x = 51,258,969.31/11,784.45
  6. Step 6: Final answer
    x = 4,349.71

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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.