Home / 13,736.39-20,602.71-3,876.46

Finding the Fourth Proportional to 13,736.39, 20,602.71 and 3,876.46

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Solution

The fourth proportional to 13,736.39, 20,602.71 and 3,876.46 is: 5,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.39 : 20,602.71 = 3,876.46 : x
  2. Step 2: Convert to fraction form
    13,736.39/20,602.71 = 3,876.46/x
  3. Step 3: Cross multiply
    13,736.39x = 20,602.71 × 3,876.46
  4. Step 4: Simplify right side
    13,736.39x = 79,865,529.70
  5. Step 5: Solve for x
    x = 79,865,529.70/13,736.39
  6. Step 6: Final answer
    x = 5,814.16

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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.