Home / 14,342.57-21,513.85-4,481.88

Finding the Fourth Proportional to 14,342.57, 21,513.85 and 4,481.88

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Solution

The fourth proportional to 14,342.57, 21,513.85 and 4,481.88 is: 6,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.57 : 21,513.85 = 4,481.88 : x
  2. Step 2: Convert to fraction form
    14,342.57/21,513.85 = 4,481.88/x
  3. Step 3: Cross multiply
    14,342.57x = 21,513.85 × 4,481.88
  4. Step 4: Simplify right side
    14,342.57x = 96,422,548.38
  5. Step 5: Solve for x
    x = 96,422,548.38/14,342.57
  6. Step 6: Final answer
    x = 6,722.82

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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.