Home / 10,939.73-16,409.60-3,148.55

Finding the Fourth Proportional to 10,939.73, 16,409.60 and 3,148.55

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Solution

The fourth proportional to 10,939.73, 16,409.60 and 3,148.55 is: 4,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.73 : 16,409.60 = 3,148.55 : x
  2. Step 2: Convert to fraction form
    10,939.73/16,409.60 = 3,148.55/x
  3. Step 3: Cross multiply
    10,939.73x = 16,409.60 × 3,148.55
  4. Step 4: Simplify right side
    10,939.73x = 51,666,446.08
  5. Step 5: Solve for x
    x = 51,666,446.08/10,939.73
  6. Step 6: Final answer
    x = 4,722.83

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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.