Home / 12,773.09-19,148.40-4,976.44

Finding the Fourth Proportional to 12,773.09, 19,148.40 and 4,976.44

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Solution

The fourth proportional to 12,773.09, 19,148.40 and 4,976.44 is: 7,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.09 : 19,148.40 = 4,976.44 : x
  2. Step 2: Convert to fraction form
    12,773.09/19,148.40 = 4,976.44/x
  3. Step 3: Cross multiply
    12,773.09x = 19,148.40 × 4,976.44
  4. Step 4: Simplify right side
    12,773.09x = 95,290,815.83
  5. Step 5: Solve for x
    x = 95,290,815.83/12,773.09
  6. Step 6: Final answer
    x = 7,460.28

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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.