Home / 18,104.32-27,156.42-4,956.79

Finding the Fourth Proportional to 18,104.32, 27,156.42 and 4,956.79

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Solution

The fourth proportional to 18,104.32, 27,156.42 and 4,956.79 is: 7,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104.32 : 27,156.42 = 4,956.79 : x
  2. Step 2: Convert to fraction form
    18,104.32/27,156.42 = 4,956.79/x
  3. Step 3: Cross multiply
    18,104.32x = 27,156.42 × 4,956.79
  4. Step 4: Simplify right side
    18,104.32x = 134,608,671.09
  5. Step 5: Solve for x
    x = 134,608,671.09/18,104.32
  6. Step 6: Final answer
    x = 7,435.17

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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.