Home / 11,733.80-17,588.78-3,936.20

Finding the Fourth Proportional to 11,733.80, 17,588.78 and 3,936.20

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Solution

The fourth proportional to 11,733.80, 17,588.78 and 3,936.20 is: 5,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.80 : 17,588.78 = 3,936.20 : x
  2. Step 2: Convert to fraction form
    11,733.80/17,588.78 = 3,936.20/x
  3. Step 3: Cross multiply
    11,733.80x = 17,588.78 × 3,936.20
  4. Step 4: Simplify right side
    11,733.80x = 69,232,955.84
  5. Step 5: Solve for x
    x = 69,232,955.84/11,733.80
  6. Step 6: Final answer
    x = 5,900.30

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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.