Home / 12,769.22-19,153.80-4,004.12

Finding the Fourth Proportional to 12,769.22, 19,153.80 and 4,004.12

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Solution

The fourth proportional to 12,769.22, 19,153.80 and 4,004.12 is: 6,006.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.22 : 19,153.80 = 4,004.12 : x
  2. Step 2: Convert to fraction form
    12,769.22/19,153.80 = 4,004.12/x
  3. Step 3: Cross multiply
    12,769.22x = 19,153.80 × 4,004.12
  4. Step 4: Simplify right side
    12,769.22x = 76,694,017.89
  5. Step 5: Solve for x
    x = 76,694,017.89/12,769.22
  6. Step 6: Final answer
    x = 6,006.17

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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.