Home / 19,860.94-27,408.32-10,908.65

Finding the Fourth Proportional to 19,860.94, 27,408.32 and 10,908.65

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Solution

The fourth proportional to 19,860.94, 27,408.32 and 10,908.65 is: 15,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.94 : 27,408.32 = 10,908.65 : x
  2. Step 2: Convert to fraction form
    19,860.94/27,408.32 = 10,908.65/x
  3. Step 3: Cross multiply
    19,860.94x = 27,408.32 × 10,908.65
  4. Step 4: Simplify right side
    19,860.94x = 298,987,886.21
  5. Step 5: Solve for x
    x = 298,987,886.21/19,860.94
  6. Step 6: Final answer
    x = 15,054.06

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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.