Home / 19,112.77-28,657.80-7,267.41

Finding the Fourth Proportional to 19,112.77, 28,657.80 and 7,267.41

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Solution

The fourth proportional to 19,112.77, 28,657.80 and 7,267.41 is: 10,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.77 : 28,657.80 = 7,267.41 : x
  2. Step 2: Convert to fraction form
    19,112.77/28,657.80 = 7,267.41/x
  3. Step 3: Cross multiply
    19,112.77x = 28,657.80 × 7,267.41
  4. Step 4: Simplify right side
    19,112.77x = 208,267,982.30
  5. Step 5: Solve for x
    x = 208,267,982.30/19,112.77
  6. Step 6: Final answer
    x = 10,896.80

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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.