Home / 11,125.20-16,698.60-5,584.80

Finding the Fourth Proportional to 11,125.20, 16,698.60 and 5,584.80

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Solution

The fourth proportional to 11,125.20, 16,698.60 and 5,584.80 is: 8,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.20 : 16,698.60 = 5,584.80 : x
  2. Step 2: Convert to fraction form
    11,125.20/16,698.60 = 5,584.80/x
  3. Step 3: Cross multiply
    11,125.20x = 16,698.60 × 5,584.80
  4. Step 4: Simplify right side
    11,125.20x = 93,258,341.28
  5. Step 5: Solve for x
    x = 93,258,341.28/11,125.20
  6. Step 6: Final answer
    x = 8,382.62

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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.