Home / 18,679.67-28,013.70-6,196.90

Finding the Fourth Proportional to 18,679.67, 28,013.70 and 6,196.90

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Solution

The fourth proportional to 18,679.67, 28,013.70 and 6,196.90 is: 9,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.67 : 28,013.70 = 6,196.90 : x
  2. Step 2: Convert to fraction form
    18,679.67/28,013.70 = 6,196.90/x
  3. Step 3: Cross multiply
    18,679.67x = 28,013.70 × 6,196.90
  4. Step 4: Simplify right side
    18,679.67x = 173,598,097.53
  5. Step 5: Solve for x
    x = 173,598,097.53/18,679.67
  6. Step 6: Final answer
    x = 9,293.42

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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.