Home / 18,846.16-28,269.82-9,481.06

Finding the Fourth Proportional to 18,846.16, 28,269.82 and 9,481.06

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Solution

The fourth proportional to 18,846.16, 28,269.82 and 9,481.06 is: 14,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.16 : 28,269.82 = 9,481.06 : x
  2. Step 2: Convert to fraction form
    18,846.16/28,269.82 = 9,481.06/x
  3. Step 3: Cross multiply
    18,846.16x = 28,269.82 × 9,481.06
  4. Step 4: Simplify right side
    18,846.16x = 268,027,859.61
  5. Step 5: Solve for x
    x = 268,027,859.61/18,846.16
  6. Step 6: Final answer
    x = 14,221.88

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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.