Home / 18,943.38-26,142.39-10,446.03

Finding the Fourth Proportional to 18,943.38, 26,142.39 and 10,446.03

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Solution

The fourth proportional to 18,943.38, 26,142.39 and 10,446.03 is: 14,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.38 : 26,142.39 = 10,446.03 : x
  2. Step 2: Convert to fraction form
    18,943.38/26,142.39 = 10,446.03/x
  3. Step 3: Cross multiply
    18,943.38x = 26,142.39 × 10,446.03
  4. Step 4: Simplify right side
    18,943.38x = 273,084,190.21
  5. Step 5: Solve for x
    x = 273,084,190.21/18,943.38
  6. Step 6: Final answer
    x = 14,415.81

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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.