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Finding the Fourth Proportional to 12,762.72, 19,144.04 and 6,956.24

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Solution

The fourth proportional to 12,762.72, 19,144.04 and 6,956.24 is: 10,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762.72 : 19,144.04 = 6,956.24 : x
  2. Step 2: Convert to fraction form
    12,762.72/19,144.04 = 6,956.24/x
  3. Step 3: Cross multiply
    12,762.72x = 19,144.04 × 6,956.24
  4. Step 4: Simplify right side
    12,762.72x = 133,170,406.31
  5. Step 5: Solve for x
    x = 133,170,406.31/12,762.72
  6. Step 6: Final answer
    x = 10,434.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.