Home / 18,025.69-27,009.97-13,072.14

Finding the Fourth Proportional to 18,025.69, 27,009.97 and 13,072.14

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Solution

The fourth proportional to 18,025.69, 27,009.97 and 13,072.14 is: 19,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.69 : 27,009.97 = 13,072.14 : x
  2. Step 2: Convert to fraction form
    18,025.69/27,009.97 = 13,072.14/x
  3. Step 3: Cross multiply
    18,025.69x = 27,009.97 × 13,072.14
  4. Step 4: Simplify right side
    18,025.69x = 353,078,109.24
  5. Step 5: Solve for x
    x = 353,078,109.24/18,025.69
  6. Step 6: Final answer
    x = 19,587.49

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1.5x scale

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.