Home / 10,331.80-15,498.30-2,936.80

Finding the Fourth Proportional to 10,331.80, 15,498.30 and 2,936.80

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Solution

The fourth proportional to 10,331.80, 15,498.30 and 2,936.80 is: 4,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.80 : 15,498.30 = 2,936.80 : x
  2. Step 2: Convert to fraction form
    10,331.80/15,498.30 = 2,936.80/x
  3. Step 3: Cross multiply
    10,331.80x = 15,498.30 × 2,936.80
  4. Step 4: Simplify right side
    10,331.80x = 45,515,407.44
  5. Step 5: Solve for x
    x = 45,515,407.44/10,331.80
  6. Step 6: Final answer
    x = 4,405.37

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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.