Home / 11,948.75-17,941.62-6,412.90

Finding the Fourth Proportional to 11,948.75, 17,941.62 and 6,412.90

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Solution

The fourth proportional to 11,948.75, 17,941.62 and 6,412.90 is: 9,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.75 : 17,941.62 = 6,412.90 : x
  2. Step 2: Convert to fraction form
    11,948.75/17,941.62 = 6,412.90/x
  3. Step 3: Cross multiply
    11,948.75x = 17,941.62 × 6,412.90
  4. Step 4: Simplify right side
    11,948.75x = 115,057,814.90
  5. Step 5: Solve for x
    x = 115,057,814.90/11,948.75
  6. Step 6: Final answer
    x = 9,629.28

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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.