Home / 18,330.72-27,498.72-6,481.44

Finding the Fourth Proportional to 18,330.72, 27,498.72 and 6,481.44

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Solution

The fourth proportional to 18,330.72, 27,498.72 and 6,481.44 is: 9,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.72 : 27,498.72 = 6,481.44 : x
  2. Step 2: Convert to fraction form
    18,330.72/27,498.72 = 6,481.44/x
  3. Step 3: Cross multiply
    18,330.72x = 27,498.72 × 6,481.44
  4. Step 4: Simplify right side
    18,330.72x = 178,231,303.76
  5. Step 5: Solve for x
    x = 178,231,303.76/18,330.72
  6. Step 6: Final answer
    x = 9,723.09

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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.