Home / 12,675.60-19,016.46-3,910.68

Finding the Fourth Proportional to 12,675.60, 19,016.46 and 3,910.68

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Solution

The fourth proportional to 12,675.60, 19,016.46 and 3,910.68 is: 5,866.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.60 : 19,016.46 = 3,910.68 : x
  2. Step 2: Convert to fraction form
    12,675.60/19,016.46 = 3,910.68/x
  3. Step 3: Cross multiply
    12,675.60x = 19,016.46 × 3,910.68
  4. Step 4: Simplify right side
    12,675.60x = 74,367,289.79
  5. Step 5: Solve for x
    x = 74,367,289.79/12,675.60
  6. Step 6: Final answer
    x = 5,866.96

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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.