Home / 19,682.56-27,173.24-12,965.73

Finding the Fourth Proportional to 19,682.56, 27,173.24 and 12,965.73

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Solution

The fourth proportional to 19,682.56, 27,173.24 and 12,965.73 is: 17,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.56 : 27,173.24 = 12,965.73 : x
  2. Step 2: Convert to fraction form
    19,682.56/27,173.24 = 12,965.73/x
  3. Step 3: Cross multiply
    19,682.56x = 27,173.24 × 12,965.73
  4. Step 4: Simplify right side
    19,682.56x = 352,320,893.07
  5. Step 5: Solve for x
    x = 352,320,893.07/19,682.56
  6. Step 6: Final answer
    x = 17,900.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.