Home / 11,980.96-17,962.93-4,579.18

Finding the Fourth Proportional to 11,980.96, 17,962.93 and 4,579.18

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Solution

The fourth proportional to 11,980.96, 17,962.93 and 4,579.18 is: 6,865.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.96 : 17,962.93 = 4,579.18 : x
  2. Step 2: Convert to fraction form
    11,980.96/17,962.93 = 4,579.18/x
  3. Step 3: Cross multiply
    11,980.96x = 17,962.93 × 4,579.18
  4. Step 4: Simplify right side
    11,980.96x = 82,255,433.44
  5. Step 5: Solve for x
    x = 82,255,433.44/11,980.96
  6. Step 6: Final answer
    x = 6,865.51

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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.