Home / 12,679.26-19,008.09-4,893.54

Finding the Fourth Proportional to 12,679.26, 19,008.09 and 4,893.54

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Solution

The fourth proportional to 12,679.26, 19,008.09 and 4,893.54 is: 7,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679.26 : 19,008.09 = 4,893.54 : x
  2. Step 2: Convert to fraction form
    12,679.26/19,008.09 = 4,893.54/x
  3. Step 3: Cross multiply
    12,679.26x = 19,008.09 × 4,893.54
  4. Step 4: Simplify right side
    12,679.26x = 93,016,848.74
  5. Step 5: Solve for x
    x = 93,016,848.74/12,679.26
  6. Step 6: Final answer
    x = 7,336.14

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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.