Home / 14,354.73-21,519.09-5,118.57

Finding the Fourth Proportional to 14,354.73, 21,519.09 and 5,118.57

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Solution

The fourth proportional to 14,354.73, 21,519.09 and 5,118.57 is: 7,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.73 : 21,519.09 = 5,118.57 : x
  2. Step 2: Convert to fraction form
    14,354.73/21,519.09 = 5,118.57/x
  3. Step 3: Cross multiply
    14,354.73x = 21,519.09 × 5,118.57
  4. Step 4: Simplify right side
    14,354.73x = 110,146,968.50
  5. Step 5: Solve for x
    x = 110,146,968.50/14,354.73
  6. Step 6: Final answer
    x = 7,673.22

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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.