Home / 18,425.68-25,412.82-11,958.26

Finding the Fourth Proportional to 18,425.68, 25,412.82 and 11,958.26

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Solution

The fourth proportional to 18,425.68, 25,412.82 and 11,958.26 is: 16,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.68 : 25,412.82 = 11,958.26 : x
  2. Step 2: Convert to fraction form
    18,425.68/25,412.82 = 11,958.26/x
  3. Step 3: Cross multiply
    18,425.68x = 25,412.82 × 11,958.26
  4. Step 4: Simplify right side
    18,425.68x = 303,893,023.30
  5. Step 5: Solve for x
    x = 303,893,023.30/18,425.68
  6. Step 6: Final answer
    x = 16,492.91

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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.