Home / 19,860.97-29,747.71-13,256.23

Finding the Fourth Proportional to 19,860.97, 29,747.71 and 13,256.23

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Solution

The fourth proportional to 19,860.97, 29,747.71 and 13,256.23 is: 19,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.97 : 29,747.71 = 13,256.23 : x
  2. Step 2: Convert to fraction form
    19,860.97/29,747.71 = 13,256.23/x
  3. Step 3: Cross multiply
    19,860.97x = 29,747.71 × 13,256.23
  4. Step 4: Simplify right side
    19,860.97x = 394,342,485.73
  5. Step 5: Solve for x
    x = 394,342,485.73/19,860.97
  6. Step 6: Final answer
    x = 19,855.15

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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.