Home / 13,744.06-18,982.28-9,286.22

Finding the Fourth Proportional to 13,744.06, 18,982.28 and 9,286.22

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Solution

The fourth proportional to 13,744.06, 18,982.28 and 9,286.22 is: 12,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.06 : 18,982.28 = 9,286.22 : x
  2. Step 2: Convert to fraction form
    13,744.06/18,982.28 = 9,286.22/x
  3. Step 3: Cross multiply
    13,744.06x = 18,982.28 × 9,286.22
  4. Step 4: Simplify right side
    13,744.06x = 176,273,628.18
  5. Step 5: Solve for x
    x = 176,273,628.18/13,744.06
  6. Step 6: Final answer
    x = 12,825.44

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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.