Home / 14,307.44-19,744.80-8,019.92

Finding the Fourth Proportional to 14,307.44, 19,744.80 and 8,019.92

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Solution

The fourth proportional to 14,307.44, 19,744.80 and 8,019.92 is: 11,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.44 : 19,744.80 = 8,019.92 : x
  2. Step 2: Convert to fraction form
    14,307.44/19,744.80 = 8,019.92/x
  3. Step 3: Cross multiply
    14,307.44x = 19,744.80 × 8,019.92
  4. Step 4: Simplify right side
    14,307.44x = 158,351,716.42
  5. Step 5: Solve for x
    x = 158,351,716.42/14,307.44
  6. Step 6: Final answer
    x = 11,067.79

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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.