Home / 18,979.49-28,466.30-6,496.64

Finding the Fourth Proportional to 18,979.49, 28,466.30 and 6,496.64

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Solution

The fourth proportional to 18,979.49, 28,466.30 and 6,496.64 is: 9,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.49 : 28,466.30 = 6,496.64 : x
  2. Step 2: Convert to fraction form
    18,979.49/28,466.30 = 6,496.64/x
  3. Step 3: Cross multiply
    18,979.49x = 28,466.30 × 6,496.64
  4. Step 4: Simplify right side
    18,979.49x = 184,935,390.64
  5. Step 5: Solve for x
    x = 184,935,390.64/18,979.49
  6. Step 6: Final answer
    x = 9,743.96

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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.