Home / 11,021.80-16,532.70-9,725.80

Finding the Fourth Proportional to 11,021.80, 16,532.70 and 9,725.80

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Solution

The fourth proportional to 11,021.80, 16,532.70 and 9,725.80 is: 14,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.80 : 16,532.70 = 9,725.80 : x
  2. Step 2: Convert to fraction form
    11,021.80/16,532.70 = 9,725.80/x
  3. Step 3: Cross multiply
    11,021.80x = 16,532.70 × 9,725.80
  4. Step 4: Simplify right side
    11,021.80x = 160,793,733.66
  5. Step 5: Solve for x
    x = 160,793,733.66/11,021.80
  6. Step 6: Final answer
    x = 14,588.70

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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.