Home / 11,102.46-16,653.70-3,311.08

Finding the Fourth Proportional to 11,102.46, 16,653.70 and 3,311.08

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Solution

The fourth proportional to 11,102.46, 16,653.70 and 3,311.08 is: 4,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.46 : 16,653.70 = 3,311.08 : x
  2. Step 2: Convert to fraction form
    11,102.46/16,653.70 = 3,311.08/x
  3. Step 3: Cross multiply
    11,102.46x = 16,653.70 × 3,311.08
  4. Step 4: Simplify right side
    11,102.46x = 55,141,733.00
  5. Step 5: Solve for x
    x = 55,141,733.00/11,102.46
  6. Step 6: Final answer
    x = 4,966.62

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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.