Home / 18,996.48-26,197.62-11,817.18

Finding the Fourth Proportional to 18,996.48, 26,197.62 and 11,817.18

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Solution

The fourth proportional to 18,996.48, 26,197.62 and 11,817.18 is: 16,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.48 : 26,197.62 = 11,817.18 : x
  2. Step 2: Convert to fraction form
    18,996.48/26,197.62 = 11,817.18/x
  3. Step 3: Cross multiply
    18,996.48x = 26,197.62 × 11,817.18
  4. Step 4: Simplify right side
    18,996.48x = 309,581,991.11
  5. Step 5: Solve for x
    x = 309,581,991.11/18,996.48
  6. Step 6: Final answer
    x = 16,296.81

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.