Home / 13,429.37-20,144.25-4,664.49

Finding the Fourth Proportional to 13,429.37, 20,144.25 and 4,664.49

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Solution

The fourth proportional to 13,429.37, 20,144.25 and 4,664.49 is: 6,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.37 : 20,144.25 = 4,664.49 : x
  2. Step 2: Convert to fraction form
    13,429.37/20,144.25 = 4,664.49/x
  3. Step 3: Cross multiply
    13,429.37x = 20,144.25 × 4,664.49
  4. Step 4: Simplify right side
    13,429.37x = 93,962,652.68
  5. Step 5: Solve for x
    x = 93,962,652.68/13,429.37
  6. Step 6: Final answer
    x = 6,996.81

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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.