Home / 14,855.38-20,497.82-8,479.06

Finding the Fourth Proportional to 14,855.38, 20,497.82 and 8,479.06

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Solution

The fourth proportional to 14,855.38, 20,497.82 and 8,479.06 is: 11,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.38 : 20,497.82 = 8,479.06 : x
  2. Step 2: Convert to fraction form
    14,855.38/20,497.82 = 8,479.06/x
  3. Step 3: Cross multiply
    14,855.38x = 20,497.82 × 8,479.06
  4. Step 4: Simplify right side
    14,855.38x = 173,802,245.65
  5. Step 5: Solve for x
    x = 173,802,245.65/14,855.38
  6. Step 6: Final answer
    x = 11,699.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.