Home / 12,494.76-18,735.88-4,171.92

Finding the Fourth Proportional to 12,494.76, 18,735.88 and 4,171.92

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Solution

The fourth proportional to 12,494.76, 18,735.88 and 4,171.92 is: 6,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.76 : 18,735.88 = 4,171.92 : x
  2. Step 2: Convert to fraction form
    12,494.76/18,735.88 = 4,171.92/x
  3. Step 3: Cross multiply
    12,494.76x = 18,735.88 × 4,171.92
  4. Step 4: Simplify right side
    12,494.76x = 78,164,592.49
  5. Step 5: Solve for x
    x = 78,164,592.49/12,494.76
  6. Step 6: Final answer
    x = 6,255.79

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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.