Home / 12,320.37-18,481.37-4,424.49

Finding the Fourth Proportional to 12,320.37, 18,481.37 and 4,424.49

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Solution

The fourth proportional to 12,320.37, 18,481.37 and 4,424.49 is: 6,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.37 : 18,481.37 = 4,424.49 : x
  2. Step 2: Convert to fraction form
    12,320.37/18,481.37 = 4,424.49/x
  3. Step 3: Cross multiply
    12,320.37x = 18,481.37 × 4,424.49
  4. Step 4: Simplify right side
    12,320.37x = 81,770,614.63
  5. Step 5: Solve for x
    x = 81,770,614.63/12,320.37
  6. Step 6: Final answer
    x = 6,637.03

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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.