Home / 11,905.10-17,845.41-8,010.62

Finding the Fourth Proportional to 11,905.10, 17,845.41 and 8,010.62

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Solution

The fourth proportional to 11,905.10, 17,845.41 and 8,010.62 is: 12,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.10 : 17,845.41 = 8,010.62 : x
  2. Step 2: Convert to fraction form
    11,905.10/17,845.41 = 8,010.62/x
  3. Step 3: Cross multiply
    11,905.10x = 17,845.41 × 8,010.62
  4. Step 4: Simplify right side
    11,905.10x = 142,952,798.25
  5. Step 5: Solve for x
    x = 142,952,798.25/11,905.10
  6. Step 6: Final answer
    x = 12,007.69

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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.