Home / 18,873.86-28,310.79-5,546.85

Finding the Fourth Proportional to 18,873.86, 28,310.79 and 5,546.85

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Solution

The fourth proportional to 18,873.86, 28,310.79 and 5,546.85 is: 8,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.86 : 28,310.79 = 5,546.85 : x
  2. Step 2: Convert to fraction form
    18,873.86/28,310.79 = 5,546.85/x
  3. Step 3: Cross multiply
    18,873.86x = 28,310.79 × 5,546.85
  4. Step 4: Simplify right side
    18,873.86x = 157,035,818.25
  5. Step 5: Solve for x
    x = 157,035,818.25/18,873.86
  6. Step 6: Final answer
    x = 8,320.28

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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.