Home / 11,620.43-17,416.80-5,371.68

Finding the Fourth Proportional to 11,620.43, 17,416.80 and 5,371.68

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Solution

The fourth proportional to 11,620.43, 17,416.80 and 5,371.68 is: 8,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.43 : 17,416.80 = 5,371.68 : x
  2. Step 2: Convert to fraction form
    11,620.43/17,416.80 = 5,371.68/x
  3. Step 3: Cross multiply
    11,620.43x = 17,416.80 × 5,371.68
  4. Step 4: Simplify right side
    11,620.43x = 93,557,476.22
  5. Step 5: Solve for x
    x = 93,557,476.22/11,620.43
  6. Step 6: Final answer
    x = 8,051.12

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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.