Home / 19,794.97-27,306.71-12,238.89

Finding the Fourth Proportional to 19,794.97, 27,306.71 and 12,238.89

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Solution

The fourth proportional to 19,794.97, 27,306.71 and 12,238.89 is: 16,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.97 : 27,306.71 = 12,238.89 : x
  2. Step 2: Convert to fraction form
    19,794.97/27,306.71 = 12,238.89/x
  3. Step 3: Cross multiply
    19,794.97x = 27,306.71 × 12,238.89
  4. Step 4: Simplify right side
    19,794.97x = 334,203,656.36
  5. Step 5: Solve for x
    x = 334,203,656.36/19,794.97
  6. Step 6: Final answer
    x = 16,883.26

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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.