Home / 19,766.80-27,278.82-10,814.56

Finding the Fourth Proportional to 19,766.80, 27,278.82 and 10,814.56

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Solution

The fourth proportional to 19,766.80, 27,278.82 and 10,814.56 is: 14,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.80 : 27,278.82 = 10,814.56 : x
  2. Step 2: Convert to fraction form
    19,766.80/27,278.82 = 10,814.56/x
  3. Step 3: Cross multiply
    19,766.80x = 27,278.82 × 10,814.56
  4. Step 4: Simplify right side
    19,766.80x = 295,008,435.62
  5. Step 5: Solve for x
    x = 295,008,435.62/19,766.80
  6. Step 6: Final answer
    x = 14,924.44

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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.