Home / 13,961.70-21,037.86-11,550.60

Finding the Fourth Proportional to 13,961.70, 21,037.86 and 11,550.60

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Solution

The fourth proportional to 13,961.70, 21,037.86 and 11,550.60 is: 17,404.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.70 : 21,037.86 = 11,550.60 : x
  2. Step 2: Convert to fraction form
    13,961.70/21,037.86 = 11,550.60/x
  3. Step 3: Cross multiply
    13,961.70x = 21,037.86 × 11,550.60
  4. Step 4: Simplify right side
    13,961.70x = 242,999,905.72
  5. Step 5: Solve for x
    x = 242,999,905.72/13,961.70
  6. Step 6: Final answer
    x = 17,404.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.