Home / 19,766.25-27,278.07-10,813.75

Finding the Fourth Proportional to 19,766.25, 27,278.07 and 10,813.75

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Solution

The fourth proportional to 19,766.25, 27,278.07 and 10,813.75 is: 14,923.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.25 : 27,278.07 = 10,813.75 : x
  2. Step 2: Convert to fraction form
    19,766.25/27,278.07 = 10,813.75/x
  3. Step 3: Cross multiply
    19,766.25x = 27,278.07 × 10,813.75
  4. Step 4: Simplify right side
    19,766.25x = 294,978,175.39
  5. Step 5: Solve for x
    x = 294,978,175.39/19,766.25
  6. Step 6: Final answer
    x = 14,923.33

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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.