Home / 14,091.48-21,137.49-5,765.76

Finding the Fourth Proportional to 14,091.48, 21,137.49 and 5,765.76

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Solution

The fourth proportional to 14,091.48, 21,137.49 and 5,765.76 is: 8,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.48 : 21,137.49 = 5,765.76 : x
  2. Step 2: Convert to fraction form
    14,091.48/21,137.49 = 5,765.76/x
  3. Step 3: Cross multiply
    14,091.48x = 21,137.49 × 5,765.76
  4. Step 4: Simplify right side
    14,091.48x = 121,873,694.34
  5. Step 5: Solve for x
    x = 121,873,694.34/14,091.48
  6. Step 6: Final answer
    x = 8,648.75

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Double scale
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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.