Home / 18,773.07-28,162.71-8,906.96

Finding the Fourth Proportional to 18,773.07, 28,162.71 and 8,906.96

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Solution

The fourth proportional to 18,773.07, 28,162.71 and 8,906.96 is: 13,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.07 : 28,162.71 = 8,906.96 : x
  2. Step 2: Convert to fraction form
    18,773.07/28,162.71 = 8,906.96/x
  3. Step 3: Cross multiply
    18,773.07x = 28,162.71 × 8,906.96
  4. Step 4: Simplify right side
    18,773.07x = 250,844,226.92
  5. Step 5: Solve for x
    x = 250,844,226.92/18,773.07
  6. Step 6: Final answer
    x = 13,361.92

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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.