Home / 11,776.70-17,664.98-3,011.60

Finding the Fourth Proportional to 11,776.70, 17,664.98 and 3,011.60

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Solution

The fourth proportional to 11,776.70, 17,664.98 and 3,011.60 is: 4,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.70 : 17,664.98 = 3,011.60 : x
  2. Step 2: Convert to fraction form
    11,776.70/17,664.98 = 3,011.60/x
  3. Step 3: Cross multiply
    11,776.70x = 17,664.98 × 3,011.60
  4. Step 4: Simplify right side
    11,776.70x = 53,199,853.77
  5. Step 5: Solve for x
    x = 53,199,853.77/11,776.70
  6. Step 6: Final answer
    x = 4,517.38

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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.