Home / 18,295.72-25,249.26-11,221.18

Finding the Fourth Proportional to 18,295.72, 25,249.26 and 11,221.18

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Solution

The fourth proportional to 18,295.72, 25,249.26 and 11,221.18 is: 15,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.72 : 25,249.26 = 11,221.18 : x
  2. Step 2: Convert to fraction form
    18,295.72/25,249.26 = 11,221.18/x
  3. Step 3: Cross multiply
    18,295.72x = 25,249.26 × 11,221.18
  4. Step 4: Simplify right side
    18,295.72x = 283,326,491.33
  5. Step 5: Solve for x
    x = 283,326,491.33/18,295.72
  6. Step 6: Final answer
    x = 15,485.94

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Half scale
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Double scale
Find fourth proportional to 18,296.72, 25,250.64 and 11,222.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.