Home / 12,035.70-18,054.45-3,270.42

Finding the Fourth Proportional to 12,035.70, 18,054.45 and 3,270.42

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Solution

The fourth proportional to 12,035.70, 18,054.45 and 3,270.42 is: 4,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.70 : 18,054.45 = 3,270.42 : x
  2. Step 2: Convert to fraction form
    12,035.70/18,054.45 = 3,270.42/x
  3. Step 3: Cross multiply
    12,035.70x = 18,054.45 × 3,270.42
  4. Step 4: Simplify right side
    12,035.70x = 59,045,634.37
  5. Step 5: Solve for x
    x = 59,045,634.37/12,035.70
  6. Step 6: Final answer
    x = 4,905.87

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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.