Home / 12,020.19-18,033.26-4,998.09

Finding the Fourth Proportional to 12,020.19, 18,033.26 and 4,998.09

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Solution

The fourth proportional to 12,020.19, 18,033.26 and 4,998.09 is: 7,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.19 : 18,033.26 = 4,998.09 : x
  2. Step 2: Convert to fraction form
    12,020.19/18,033.26 = 4,998.09/x
  3. Step 3: Cross multiply
    12,020.19x = 18,033.26 × 4,998.09
  4. Step 4: Simplify right side
    12,020.19x = 90,131,856.47
  5. Step 5: Solve for x
    x = 90,131,856.47/12,020.19
  6. Step 6: Final answer
    x = 7,498.37

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Half scale
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Double scale
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Similar ratio
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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.