Home / 18,943.44-26,147.28-11,869.44

Finding the Fourth Proportional to 18,943.44, 26,147.28 and 11,869.44

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Solution

The fourth proportional to 18,943.44, 26,147.28 and 11,869.44 is: 16,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.44 : 26,147.28 = 11,869.44 : x
  2. Step 2: Convert to fraction form
    18,943.44/26,147.28 = 11,869.44/x
  3. Step 3: Cross multiply
    18,943.44x = 26,147.28 × 11,869.44
  4. Step 4: Simplify right side
    18,943.44x = 310,353,571.12
  5. Step 5: Solve for x
    x = 310,353,571.12/18,943.44
  6. Step 6: Final answer
    x = 16,383.17

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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.