Home / 21,170.73-31,758.21-5,588.36

Finding the Fourth Proportional to 21,170.73, 31,758.21 and 5,588.36

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Solution

The fourth proportional to 21,170.73, 31,758.21 and 5,588.36 is: 8,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,170.73 : 31,758.21 = 5,588.36 : x
  2. Step 2: Convert to fraction form
    21,170.73/31,758.21 = 5,588.36/x
  3. Step 3: Cross multiply
    21,170.73x = 31,758.21 × 5,588.36
  4. Step 4: Simplify right side
    21,170.73x = 177,476,151.64
  5. Step 5: Solve for x
    x = 177,476,151.64/21,170.73
  6. Step 6: Final answer
    x = 8,383.09

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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.