Home / 12,072.20-18,095.40-5,050.44

Finding the Fourth Proportional to 12,072.20, 18,095.40 and 5,050.44

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Solution

The fourth proportional to 12,072.20, 18,095.40 and 5,050.44 is: 7,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.20 : 18,095.40 = 5,050.44 : x
  2. Step 2: Convert to fraction form
    12,072.20/18,095.40 = 5,050.44/x
  3. Step 3: Cross multiply
    12,072.20x = 18,095.40 × 5,050.44
  4. Step 4: Simplify right side
    12,072.20x = 91,389,731.98
  5. Step 5: Solve for x
    x = 91,389,731.98/12,072.20
  6. Step 6: Final answer
    x = 7,570.26

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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.