Home / 10,928.62-16,392.79-3,532.92

Finding the Fourth Proportional to 10,928.62, 16,392.79 and 3,532.92

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Solution

The fourth proportional to 10,928.62, 16,392.79 and 3,532.92 is: 5,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.62 : 16,392.79 = 3,532.92 : x
  2. Step 2: Convert to fraction form
    10,928.62/16,392.79 = 3,532.92/x
  3. Step 3: Cross multiply
    10,928.62x = 16,392.79 × 3,532.92
  4. Step 4: Simplify right side
    10,928.62x = 57,914,415.65
  5. Step 5: Solve for x
    x = 57,914,415.65/10,928.62
  6. Step 6: Final answer
    x = 5,299.33

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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.