Home / 18,408.38-25,403.66-10,450.73

Finding the Fourth Proportional to 18,408.38, 25,403.66 and 10,450.73

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Solution

The fourth proportional to 18,408.38, 25,403.66 and 10,450.73 is: 14,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.38 : 25,403.66 = 10,450.73 : x
  2. Step 2: Convert to fraction form
    18,408.38/25,403.66 = 10,450.73/x
  3. Step 3: Cross multiply
    18,408.38x = 25,403.66 × 10,450.73
  4. Step 4: Simplify right side
    18,408.38x = 265,486,612.40
  5. Step 5: Solve for x
    x = 265,486,612.40/18,408.38
  6. Step 6: Final answer
    x = 14,422.06

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Half scale
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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.