Home / 11,004-15,185.12-6,288

Finding the Fourth Proportional to 11,004, 15,185.12 and 6,288

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Solution

The fourth proportional to 11,004, 15,185.12 and 6,288 is: 8,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004 : 15,185.12 = 6,288 : x
  2. Step 2: Convert to fraction form
    11,004/15,185.12 = 6,288/x
  3. Step 3: Cross multiply
    11,004x = 15,185.12 × 6,288
  4. Step 4: Simplify right side
    11,004x = 95,484,034.56
  5. Step 5: Solve for x
    x = 95,484,034.56/11,004
  6. Step 6: Final answer
    x = 8,677.21

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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.