Home / 18,962.94-28,458.93-8,581.98

Finding the Fourth Proportional to 18,962.94, 28,458.93 and 8,581.98

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Solution

The fourth proportional to 18,962.94, 28,458.93 and 8,581.98 is: 12,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.94 : 28,458.93 = 8,581.98 : x
  2. Step 2: Convert to fraction form
    18,962.94/28,458.93 = 8,581.98/x
  3. Step 3: Cross multiply
    18,962.94x = 28,458.93 × 8,581.98
  4. Step 4: Simplify right side
    18,962.94x = 244,233,968.08
  5. Step 5: Solve for x
    x = 244,233,968.08/18,962.94
  6. Step 6: Final answer
    x = 12,879.54

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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.