Home / 13,736.32-20,605.32-3,876.48

Finding the Fourth Proportional to 13,736.32, 20,605.32 and 3,876.48

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Solution

The fourth proportional to 13,736.32, 20,605.32 and 3,876.48 is: 5,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.32 : 20,605.32 = 3,876.48 : x
  2. Step 2: Convert to fraction form
    13,736.32/20,605.32 = 3,876.48/x
  3. Step 3: Cross multiply
    13,736.32x = 20,605.32 × 3,876.48
  4. Step 4: Simplify right side
    13,736.32x = 79,876,110.87
  5. Step 5: Solve for x
    x = 79,876,110.87/13,736.32
  6. Step 6: Final answer
    x = 5,814.96

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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.