Home / 11,743.79-17,617.30-6,815.75

Finding the Fourth Proportional to 11,743.79, 17,617.30 and 6,815.75

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Solution

The fourth proportional to 11,743.79, 17,617.30 and 6,815.75 is: 10,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.79 : 17,617.30 = 6,815.75 : x
  2. Step 2: Convert to fraction form
    11,743.79/17,617.30 = 6,815.75/x
  3. Step 3: Cross multiply
    11,743.79x = 17,617.30 × 6,815.75
  4. Step 4: Simplify right side
    11,743.79x = 120,075,007.35
  5. Step 5: Solve for x
    x = 120,075,007.35/11,743.79
  6. Step 6: Final answer
    x = 10,224.56

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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.