Home / 18,519.82-25,556.70-10,564.59

Finding the Fourth Proportional to 18,519.82, 25,556.70 and 10,564.59

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Solution

The fourth proportional to 18,519.82, 25,556.70 and 10,564.59 is: 14,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.82 : 25,556.70 = 10,564.59 : x
  2. Step 2: Convert to fraction form
    18,519.82/25,556.70 = 10,564.59/x
  3. Step 3: Cross multiply
    18,519.82x = 25,556.70 × 10,564.59
  4. Step 4: Simplify right side
    18,519.82x = 269,996,057.25
  5. Step 5: Solve for x
    x = 269,996,057.25/18,519.82
  6. Step 6: Final answer
    x = 14,578.76

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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.