Home / 16,910.70-25,329.60-11,005.80

Finding the Fourth Proportional to 16,910.70, 25,329.60 and 11,005.80

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Solution

The fourth proportional to 16,910.70, 25,329.60 and 11,005.80 is: 16,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.70 : 25,329.60 = 11,005.80 : x
  2. Step 2: Convert to fraction form
    16,910.70/25,329.60 = 11,005.80/x
  3. Step 3: Cross multiply
    16,910.70x = 25,329.60 × 11,005.80
  4. Step 4: Simplify right side
    16,910.70x = 278,772,511.68
  5. Step 5: Solve for x
    x = 278,772,511.68/16,910.70
  6. Step 6: Final answer
    x = 16,484.98

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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.