Home / 12,230.01-18,347.85-3,910.59

Finding the Fourth Proportional to 12,230.01, 18,347.85 and 3,910.59

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Solution

The fourth proportional to 12,230.01, 18,347.85 and 3,910.59 is: 5,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.01 : 18,347.85 = 3,910.59 : x
  2. Step 2: Convert to fraction form
    12,230.01/18,347.85 = 3,910.59/x
  3. Step 3: Cross multiply
    12,230.01x = 18,347.85 × 3,910.59
  4. Step 4: Simplify right side
    12,230.01x = 71,750,918.73
  5. Step 5: Solve for x
    x = 71,750,918.73/12,230.01
  6. Step 6: Final answer
    x = 5,866.79

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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.