Home / 11,731.55-16,189.56-6,354

Finding the Fourth Proportional to 11,731.55, 16,189.56 and 6,354

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Solution

The fourth proportional to 11,731.55, 16,189.56 and 6,354 is: 8,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.55 : 16,189.56 = 6,354 : x
  2. Step 2: Convert to fraction form
    11,731.55/16,189.56 = 6,354/x
  3. Step 3: Cross multiply
    11,731.55x = 16,189.56 × 6,354
  4. Step 4: Simplify right side
    11,731.55x = 102,868,464.24
  5. Step 5: Solve for x
    x = 102,868,464.24/11,731.55
  6. Step 6: Final answer
    x = 8,768.54

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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.