Home / 18,767.94-28,160.08-11,764

Finding the Fourth Proportional to 18,767.94, 28,160.08 and 11,764

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Solution

The fourth proportional to 18,767.94, 28,160.08 and 11,764 is: 17,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.94 : 28,160.08 = 11,764 : x
  2. Step 2: Convert to fraction form
    18,767.94/28,160.08 = 11,764/x
  3. Step 3: Cross multiply
    18,767.94x = 28,160.08 × 11,764
  4. Step 4: Simplify right side
    18,767.94x = 331,275,181.12
  5. Step 5: Solve for x
    x = 331,275,181.12/18,767.94
  6. Step 6: Final answer
    x = 17,651.12

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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.