Home / 11,720.30-17,579.94-3,400.14

Finding the Fourth Proportional to 11,720.30, 17,579.94 and 3,400.14

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Solution

The fourth proportional to 11,720.30, 17,579.94 and 3,400.14 is: 5,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.30 : 17,579.94 = 3,400.14 : x
  2. Step 2: Convert to fraction form
    11,720.30/17,579.94 = 3,400.14/x
  3. Step 3: Cross multiply
    11,720.30x = 17,579.94 × 3,400.14
  4. Step 4: Simplify right side
    11,720.30x = 59,774,257.19
  5. Step 5: Solve for x
    x = 59,774,257.19/11,720.30
  6. Step 6: Final answer
    x = 5,100.06

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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.