Home / 19,945.26-27,524.82-12,884.04

Finding the Fourth Proportional to 19,945.26, 27,524.82 and 12,884.04

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Solution

The fourth proportional to 19,945.26, 27,524.82 and 12,884.04 is: 17,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.26 : 27,524.82 = 12,884.04 : x
  2. Step 2: Convert to fraction form
    19,945.26/27,524.82 = 12,884.04/x
  3. Step 3: Cross multiply
    19,945.26x = 27,524.82 × 12,884.04
  4. Step 4: Simplify right side
    19,945.26x = 354,630,881.87
  5. Step 5: Solve for x
    x = 354,630,881.87/19,945.26
  6. Step 6: Final answer
    x = 17,780.21

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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.