Home / 18,256.05-27,378.60-9,486.18

Finding the Fourth Proportional to 18,256.05, 27,378.60 and 9,486.18

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Solution

The fourth proportional to 18,256.05, 27,378.60 and 9,486.18 is: 14,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.05 : 27,378.60 = 9,486.18 : x
  2. Step 2: Convert to fraction form
    18,256.05/27,378.60 = 9,486.18/x
  3. Step 3: Cross multiply
    18,256.05x = 27,378.60 × 9,486.18
  4. Step 4: Simplify right side
    18,256.05x = 259,718,327.75
  5. Step 5: Solve for x
    x = 259,718,327.75/18,256.05
  6. Step 6: Final answer
    x = 14,226.43

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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.