Home / 18,850.61-28,271.25-6,370.36

Finding the Fourth Proportional to 18,850.61, 28,271.25 and 6,370.36

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Solution

The fourth proportional to 18,850.61, 28,271.25 and 6,370.36 is: 9,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.61 : 28,271.25 = 6,370.36 : x
  2. Step 2: Convert to fraction form
    18,850.61/28,271.25 = 6,370.36/x
  3. Step 3: Cross multiply
    18,850.61x = 28,271.25 × 6,370.36
  4. Step 4: Simplify right side
    18,850.61x = 180,097,866.94
  5. Step 5: Solve for x
    x = 180,097,866.94/18,850.61
  6. Step 6: Final answer
    x = 9,553.95

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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.