Home / 18,481.09-27,688.78-10,583.29

Finding the Fourth Proportional to 18,481.09, 27,688.78 and 10,583.29

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Solution

The fourth proportional to 18,481.09, 27,688.78 and 10,583.29 is: 15,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.09 : 27,688.78 = 10,583.29 : x
  2. Step 2: Convert to fraction form
    18,481.09/27,688.78 = 10,583.29/x
  3. Step 3: Cross multiply
    18,481.09x = 27,688.78 × 10,583.29
  4. Step 4: Simplify right side
    18,481.09x = 293,038,388.49
  5. Step 5: Solve for x
    x = 293,038,388.49/18,481.09
  6. Step 6: Final answer
    x = 15,856.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.