Home / 13,262.73-18,190.43-11,768.05

Finding the Fourth Proportional to 13,262.73, 18,190.43 and 11,768.05

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Solution

The fourth proportional to 13,262.73, 18,190.43 and 11,768.05 is: 16,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.73 : 18,190.43 = 11,768.05 : x
  2. Step 2: Convert to fraction form
    13,262.73/18,190.43 = 11,768.05/x
  3. Step 3: Cross multiply
    13,262.73x = 18,190.43 × 11,768.05
  4. Step 4: Simplify right side
    13,262.73x = 214,065,889.76
  5. Step 5: Solve for x
    x = 214,065,889.76/13,262.73
  6. Step 6: Final answer
    x = 16,140.41

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.