Home / 14,629.38-20,188.89-8,342.34

Finding the Fourth Proportional to 14,629.38, 20,188.89 and 8,342.34

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Solution

The fourth proportional to 14,629.38, 20,188.89 and 8,342.34 is: 11,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.38 : 20,188.89 = 8,342.34 : x
  2. Step 2: Convert to fraction form
    14,629.38/20,188.89 = 8,342.34/x
  3. Step 3: Cross multiply
    14,629.38x = 20,188.89 × 8,342.34
  4. Step 4: Simplify right side
    14,629.38x = 168,422,584.60
  5. Step 5: Solve for x
    x = 168,422,584.60/14,629.38
  6. Step 6: Final answer
    x = 11,512.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.