Home / 10,866.08-16,297.20-3,072.80

Finding the Fourth Proportional to 10,866.08, 16,297.20 and 3,072.80

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Solution

The fourth proportional to 10,866.08, 16,297.20 and 3,072.80 is: 4,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.08 : 16,297.20 = 3,072.80 : x
  2. Step 2: Convert to fraction form
    10,866.08/16,297.20 = 3,072.80/x
  3. Step 3: Cross multiply
    10,866.08x = 16,297.20 × 3,072.80
  4. Step 4: Simplify right side
    10,866.08x = 50,078,036.16
  5. Step 5: Solve for x
    x = 50,078,036.16/10,866.08
  6. Step 6: Final answer
    x = 4,608.66

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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.