Home / 11,979.35-17,958.58-4,954.98

Finding the Fourth Proportional to 11,979.35, 17,958.58 and 4,954.98

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Solution

The fourth proportional to 11,979.35, 17,958.58 and 4,954.98 is: 7,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.35 : 17,958.58 = 4,954.98 : x
  2. Step 2: Convert to fraction form
    11,979.35/17,958.58 = 4,954.98/x
  3. Step 3: Cross multiply
    11,979.35x = 17,958.58 × 4,954.98
  4. Step 4: Simplify right side
    11,979.35x = 88,984,404.73
  5. Step 5: Solve for x
    x = 88,984,404.73/11,979.35
  6. Step 6: Final answer
    x = 7,428.15

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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.