Home / 14,566.72-21,799.87-8,940.65

Finding the Fourth Proportional to 14,566.72, 21,799.87 and 8,940.65

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Solution

The fourth proportional to 14,566.72, 21,799.87 and 8,940.65 is: 13,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566.72 : 21,799.87 = 8,940.65 : x
  2. Step 2: Convert to fraction form
    14,566.72/21,799.87 = 8,940.65/x
  3. Step 3: Cross multiply
    14,566.72x = 21,799.87 × 8,940.65
  4. Step 4: Simplify right side
    14,566.72x = 194,905,007.72
  5. Step 5: Solve for x
    x = 194,905,007.72/14,566.72
  6. Step 6: Final answer
    x = 13,380.16

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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.