Home / 18,221.59-27,340.32-6,383.86

Finding the Fourth Proportional to 18,221.59, 27,340.32 and 6,383.86

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Solution

The fourth proportional to 18,221.59, 27,340.32 and 6,383.86 is: 9,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.59 : 27,340.32 = 6,383.86 : x
  2. Step 2: Convert to fraction form
    18,221.59/27,340.32 = 6,383.86/x
  3. Step 3: Cross multiply
    18,221.59x = 27,340.32 × 6,383.86
  4. Step 4: Simplify right side
    18,221.59x = 174,536,848.70
  5. Step 5: Solve for x
    x = 174,536,848.70/18,221.59
  6. Step 6: Final answer
    x = 9,578.57

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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.