Home / 11,306.70-16,961.06-2,986.61

Finding the Fourth Proportional to 11,306.70, 16,961.06 and 2,986.61

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Solution

The fourth proportional to 11,306.70, 16,961.06 and 2,986.61 is: 4,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.70 : 16,961.06 = 2,986.61 : x
  2. Step 2: Convert to fraction form
    11,306.70/16,961.06 = 2,986.61/x
  3. Step 3: Cross multiply
    11,306.70x = 16,961.06 × 2,986.61
  4. Step 4: Simplify right side
    11,306.70x = 50,655,994.07
  5. Step 5: Solve for x
    x = 50,655,994.07/11,306.70
  6. Step 6: Final answer
    x = 4,480.17

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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.