Home / 18,546.16-27,787.96-9,173.68

Finding the Fourth Proportional to 18,546.16, 27,787.96 and 9,173.68

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Solution

The fourth proportional to 18,546.16, 27,787.96 and 9,173.68 is: 13,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.16 : 27,787.96 = 9,173.68 : x
  2. Step 2: Convert to fraction form
    18,546.16/27,787.96 = 9,173.68/x
  3. Step 3: Cross multiply
    18,546.16x = 27,787.96 × 9,173.68
  4. Step 4: Simplify right side
    18,546.16x = 254,917,852.89
  5. Step 5: Solve for x
    x = 254,917,852.89/18,546.16
  6. Step 6: Final answer
    x = 13,745.05

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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.