Home / 19,644.60-27,110.24-11,146.75

Finding the Fourth Proportional to 19,644.60, 27,110.24 and 11,146.75

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Solution

The fourth proportional to 19,644.60, 27,110.24 and 11,146.75 is: 15,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.60 : 27,110.24 = 11,146.75 : x
  2. Step 2: Convert to fraction form
    19,644.60/27,110.24 = 11,146.75/x
  3. Step 3: Cross multiply
    19,644.60x = 27,110.24 × 11,146.75
  4. Step 4: Simplify right side
    19,644.60x = 302,191,067.72
  5. Step 5: Solve for x
    x = 302,191,067.72/19,644.60
  6. Step 6: Final answer
    x = 15,382.91

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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.