Home / 18,996.96-26,190.36-13,324.08

Finding the Fourth Proportional to 18,996.96, 26,190.36 and 13,324.08

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Solution

The fourth proportional to 18,996.96, 26,190.36 and 13,324.08 is: 18,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.96 : 26,190.36 = 13,324.08 : x
  2. Step 2: Convert to fraction form
    18,996.96/26,190.36 = 13,324.08/x
  3. Step 3: Cross multiply
    18,996.96x = 26,190.36 × 13,324.08
  4. Step 4: Simplify right side
    18,996.96x = 348,962,451.87
  5. Step 5: Solve for x
    x = 348,962,451.87/18,996.96
  6. Step 6: Final answer
    x = 18,369.38

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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.