Home / 12,950.07-19,412.51-8,255.43

Finding the Fourth Proportional to 12,950.07, 19,412.51 and 8,255.43

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Solution

The fourth proportional to 12,950.07, 19,412.51 and 8,255.43 is: 12,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.07 : 19,412.51 = 8,255.43 : x
  2. Step 2: Convert to fraction form
    12,950.07/19,412.51 = 8,255.43/x
  3. Step 3: Cross multiply
    12,950.07x = 19,412.51 × 8,255.43
  4. Step 4: Simplify right side
    12,950.07x = 160,258,576.15
  5. Step 5: Solve for x
    x = 160,258,576.15/12,950.07
  6. Step 6: Final answer
    x = 12,375.11

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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.