Home / 12,231.06-18,346.47-3,910.98

Finding the Fourth Proportional to 12,231.06, 18,346.47 and 3,910.98

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Solution

The fourth proportional to 12,231.06, 18,346.47 and 3,910.98 is: 5,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.06 : 18,346.47 = 3,910.98 : x
  2. Step 2: Convert to fraction form
    12,231.06/18,346.47 = 3,910.98/x
  3. Step 3: Cross multiply
    12,231.06x = 18,346.47 × 3,910.98
  4. Step 4: Simplify right side
    12,231.06x = 71,752,677.24
  5. Step 5: Solve for x
    x = 71,752,677.24/12,231.06
  6. Step 6: Final answer
    x = 5,866.43

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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.