Home / 10,400.92-15,601.39-2,609.73

Finding the Fourth Proportional to 10,400.92, 15,601.39 and 2,609.73

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Solution

The fourth proportional to 10,400.92, 15,601.39 and 2,609.73 is: 3,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.92 : 15,601.39 = 2,609.73 : x
  2. Step 2: Convert to fraction form
    10,400.92/15,601.39 = 2,609.73/x
  3. Step 3: Cross multiply
    10,400.92x = 15,601.39 × 2,609.73
  4. Step 4: Simplify right side
    10,400.92x = 40,715,409.00
  5. Step 5: Solve for x
    x = 40,715,409.00/10,400.92
  6. Step 6: Final answer
    x = 3,914.60

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Double scale
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Similar ratio
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1.5x scale

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.