Home / 11,764.94-17,643.67-3,865.63

Finding the Fourth Proportional to 11,764.94, 17,643.67 and 3,865.63

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Solution

The fourth proportional to 11,764.94, 17,643.67 and 3,865.63 is: 5,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.94 : 17,643.67 = 3,865.63 : x
  2. Step 2: Convert to fraction form
    11,764.94/17,643.67 = 3,865.63/x
  3. Step 3: Cross multiply
    11,764.94x = 17,643.67 × 3,865.63
  4. Step 4: Simplify right side
    11,764.94x = 68,203,934.51
  5. Step 5: Solve for x
    x = 68,203,934.51/11,764.94
  6. Step 6: Final answer
    x = 5,797.22

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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.