Home / 21,517.36-32,206.60-11,114.80

Finding the Fourth Proportional to 21,517.36, 32,206.60 and 11,114.80

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Solution

The fourth proportional to 21,517.36, 32,206.60 and 11,114.80 is: 16,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.36 : 32,206.60 = 11,114.80 : x
  2. Step 2: Convert to fraction form
    21,517.36/32,206.60 = 11,114.80/x
  3. Step 3: Cross multiply
    21,517.36x = 32,206.60 × 11,114.80
  4. Step 4: Simplify right side
    21,517.36x = 357,969,917.68
  5. Step 5: Solve for x
    x = 357,969,917.68/21,517.36
  6. Step 6: Final answer
    x = 16,636.33

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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.