Home / 11,137.74-16,707.70-3,240.30

Finding the Fourth Proportional to 11,137.74, 16,707.70 and 3,240.30

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Solution

The fourth proportional to 11,137.74, 16,707.70 and 3,240.30 is: 4,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.74 : 16,707.70 = 3,240.30 : x
  2. Step 2: Convert to fraction form
    11,137.74/16,707.70 = 3,240.30/x
  3. Step 3: Cross multiply
    11,137.74x = 16,707.70 × 3,240.30
  4. Step 4: Simplify right side
    11,137.74x = 54,138,027.01
  5. Step 5: Solve for x
    x = 54,138,027.01/11,137.74
  6. Step 6: Final answer
    x = 4,860.77

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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.