Home / 18,519.34-25,556.04-10,564.12

Finding the Fourth Proportional to 18,519.34, 25,556.04 and 10,564.12

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Solution

The fourth proportional to 18,519.34, 25,556.04 and 10,564.12 is: 14,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.34 : 25,556.04 = 10,564.12 : x
  2. Step 2: Convert to fraction form
    18,519.34/25,556.04 = 10,564.12/x
  3. Step 3: Cross multiply
    18,519.34x = 25,556.04 × 10,564.12
  4. Step 4: Simplify right side
    18,519.34x = 269,977,073.28
  5. Step 5: Solve for x
    x = 269,977,073.28/18,519.34
  6. Step 6: Final answer
    x = 14,578.12

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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.