Home / 18,333.72-27,505.26-8,479.98

Finding the Fourth Proportional to 18,333.72, 27,505.26 and 8,479.98

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Solution

The fourth proportional to 18,333.72, 27,505.26 and 8,479.98 is: 12,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.72 : 27,505.26 = 8,479.98 : x
  2. Step 2: Convert to fraction form
    18,333.72/27,505.26 = 8,479.98/x
  3. Step 3: Cross multiply
    18,333.72x = 27,505.26 × 8,479.98
  4. Step 4: Simplify right side
    18,333.72x = 233,244,054.69
  5. Step 5: Solve for x
    x = 233,244,054.69/18,333.72
  6. Step 6: Final answer
    x = 12,722.13

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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.