Home / 19,860.09-27,407.26-10,907.97

Finding the Fourth Proportional to 19,860.09, 27,407.26 and 10,907.97

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Solution

The fourth proportional to 19,860.09, 27,407.26 and 10,907.97 is: 15,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.09 : 27,407.26 = 10,907.97 : x
  2. Step 2: Convert to fraction form
    19,860.09/27,407.26 = 10,907.97/x
  3. Step 3: Cross multiply
    19,860.09x = 27,407.26 × 10,907.97
  4. Step 4: Simplify right side
    19,860.09x = 298,957,480.72
  5. Step 5: Solve for x
    x = 298,957,480.72/19,860.09
  6. Step 6: Final answer
    x = 15,053.18

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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.