Home / 9,331.24-13,996.80-2,405.80

Finding the Fourth Proportional to 9,331.24, 13,996.80 and 2,405.80

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Solution

The fourth proportional to 9,331.24, 13,996.80 and 2,405.80 is: 3,608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.24 : 13,996.80 = 2,405.80 : x
  2. Step 2: Convert to fraction form
    9,331.24/13,996.80 = 2,405.80/x
  3. Step 3: Cross multiply
    9,331.24x = 13,996.80 × 2,405.80
  4. Step 4: Simplify right side
    9,331.24x = 33,673,501.44
  5. Step 5: Solve for x
    x = 33,673,501.44/9,331.24
  6. Step 6: Final answer
    x = 3,608.68

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1.5x scale

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.