Home / 12,236.11-18,348.37-4,743.18

Finding the Fourth Proportional to 12,236.11, 18,348.37 and 4,743.18

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Solution

The fourth proportional to 12,236.11, 18,348.37 and 4,743.18 is: 7,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.11 : 18,348.37 = 4,743.18 : x
  2. Step 2: Convert to fraction form
    12,236.11/18,348.37 = 4,743.18/x
  3. Step 3: Cross multiply
    12,236.11x = 18,348.37 × 4,743.18
  4. Step 4: Simplify right side
    12,236.11x = 87,029,609.76
  5. Step 5: Solve for x
    x = 87,029,609.76/12,236.11
  6. Step 6: Final answer
    x = 7,112.52

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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.