Home / 12,819.98-19,230.67-4,054.24

Finding the Fourth Proportional to 12,819.98, 19,230.67 and 4,054.24

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Solution

The fourth proportional to 12,819.98, 19,230.67 and 4,054.24 is: 6,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819.98 : 19,230.67 = 4,054.24 : x
  2. Step 2: Convert to fraction form
    12,819.98/19,230.67 = 4,054.24/x
  3. Step 3: Cross multiply
    12,819.98x = 19,230.67 × 4,054.24
  4. Step 4: Simplify right side
    12,819.98x = 77,965,751.54
  5. Step 5: Solve for x
    x = 77,965,751.54/12,819.98
  6. Step 6: Final answer
    x = 6,081.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.