Home / 18,251.03-25,201.77-12,302.39

Finding the Fourth Proportional to 18,251.03, 25,201.77 and 12,302.39

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Solution

The fourth proportional to 18,251.03, 25,201.77 and 12,302.39 is: 16,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.03 : 25,201.77 = 12,302.39 : x
  2. Step 2: Convert to fraction form
    18,251.03/25,201.77 = 12,302.39/x
  3. Step 3: Cross multiply
    18,251.03x = 25,201.77 × 12,302.39
  4. Step 4: Simplify right side
    18,251.03x = 310,042,003.23
  5. Step 5: Solve for x
    x = 310,042,003.23/18,251.03
  6. Step 6: Final answer
    x = 16,987.64

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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.