Home / 18,980.33-28,467.60-6,497.49

Finding the Fourth Proportional to 18,980.33, 28,467.60 and 6,497.49

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Solution

The fourth proportional to 18,980.33, 28,467.60 and 6,497.49 is: 9,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980.33 : 28,467.60 = 6,497.49 : x
  2. Step 2: Convert to fraction form
    18,980.33/28,467.60 = 6,497.49/x
  3. Step 3: Cross multiply
    18,980.33x = 28,467.60 × 6,497.49
  4. Step 4: Simplify right side
    18,980.33x = 184,967,946.32
  5. Step 5: Solve for x
    x = 184,967,946.32/18,980.33
  6. Step 6: Final answer
    x = 9,745.25

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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.