Home / 10,952.07-16,428.09-4,379.79

Finding the Fourth Proportional to 10,952.07, 16,428.09 and 4,379.79

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Solution

The fourth proportional to 10,952.07, 16,428.09 and 4,379.79 is: 6,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.07 : 16,428.09 = 4,379.79 : x
  2. Step 2: Convert to fraction form
    10,952.07/16,428.09 = 4,379.79/x
  3. Step 3: Cross multiply
    10,952.07x = 16,428.09 × 4,379.79
  4. Step 4: Simplify right side
    10,952.07x = 71,951,584.30
  5. Step 5: Solve for x
    x = 71,951,584.30/10,952.07
  6. Step 6: Final answer
    x = 6,569.68

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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.