Home / 12,830.91-19,246.91-4,065.63

Finding the Fourth Proportional to 12,830.91, 19,246.91 and 4,065.63

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Solution

The fourth proportional to 12,830.91, 19,246.91 and 4,065.63 is: 6,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.91 : 19,246.91 = 4,065.63 : x
  2. Step 2: Convert to fraction form
    12,830.91/19,246.91 = 4,065.63/x
  3. Step 3: Cross multiply
    12,830.91x = 19,246.91 × 4,065.63
  4. Step 4: Simplify right side
    12,830.91x = 78,250,794.38
  5. Step 5: Solve for x
    x = 78,250,794.38/12,830.91
  6. Step 6: Final answer
    x = 6,098.62

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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.