Home / 12,830.24-19,245.38-4,065.12

Finding the Fourth Proportional to 12,830.24, 19,245.38 and 4,065.12

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Solution

The fourth proportional to 12,830.24, 19,245.38 and 4,065.12 is: 6,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.24 : 19,245.38 = 4,065.12 : x
  2. Step 2: Convert to fraction form
    12,830.24/19,245.38 = 4,065.12/x
  3. Step 3: Cross multiply
    12,830.24x = 19,245.38 × 4,065.12
  4. Step 4: Simplify right side
    12,830.24x = 78,234,758.82
  5. Step 5: Solve for x
    x = 78,234,758.82/12,830.24
  6. Step 6: Final answer
    x = 6,097.69

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Similar ratio
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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.