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Finding the Fourth Proportional to 11,619.89, 17,410.68 and 6,693.68

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Solution

The fourth proportional to 11,619.89, 17,410.68 and 6,693.68 is: 10,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.89 : 17,410.68 = 6,693.68 : x
  2. Step 2: Convert to fraction form
    11,619.89/17,410.68 = 6,693.68/x
  3. Step 3: Cross multiply
    11,619.89x = 17,410.68 × 6,693.68
  4. Step 4: Simplify right side
    11,619.89x = 116,541,450.18
  5. Step 5: Solve for x
    x = 116,541,450.18/11,619.89
  6. Step 6: Final answer
    x = 10,029.48

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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.