Home / 12,976.92-19,470.96-4,214.52

Finding the Fourth Proportional to 12,976.92, 19,470.96 and 4,214.52

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Solution

The fourth proportional to 12,976.92, 19,470.96 and 4,214.52 is: 6,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.92 : 19,470.96 = 4,214.52 : x
  2. Step 2: Convert to fraction form
    12,976.92/19,470.96 = 4,214.52/x
  3. Step 3: Cross multiply
    12,976.92x = 19,470.96 × 4,214.52
  4. Step 4: Simplify right side
    12,976.92x = 82,060,750.34
  5. Step 5: Solve for x
    x = 82,060,750.34/12,976.92
  6. Step 6: Final answer
    x = 6,323.59

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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.