Home / 11,936.77-17,905.14-4,145.65

Finding the Fourth Proportional to 11,936.77, 17,905.14 and 4,145.65

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Solution

The fourth proportional to 11,936.77, 17,905.14 and 4,145.65 is: 6,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.77 : 17,905.14 = 4,145.65 : x
  2. Step 2: Convert to fraction form
    11,936.77/17,905.14 = 4,145.65/x
  3. Step 3: Cross multiply
    11,936.77x = 17,905.14 × 4,145.65
  4. Step 4: Simplify right side
    11,936.77x = 74,228,443.64
  5. Step 5: Solve for x
    x = 74,228,443.64/11,936.77
  6. Step 6: Final answer
    x = 6,218.47

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1.5x scale

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.