Home / 11,784.32-17,676.96-3,992.96

Finding the Fourth Proportional to 11,784.32, 17,676.96 and 3,992.96

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Solution

The fourth proportional to 11,784.32, 17,676.96 and 3,992.96 is: 5,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.32 : 17,676.96 = 3,992.96 : x
  2. Step 2: Convert to fraction form
    11,784.32/17,676.96 = 3,992.96/x
  3. Step 3: Cross multiply
    11,784.32x = 17,676.96 × 3,992.96
  4. Step 4: Simplify right side
    11,784.32x = 70,583,394.20
  5. Step 5: Solve for x
    x = 70,583,394.20/11,784.32
  6. Step 6: Final answer
    x = 5,989.60

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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.