Home / 13,914.21-20,845.17-6,886.07

Finding the Fourth Proportional to 13,914.21, 20,845.17 and 6,886.07

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Solution

The fourth proportional to 13,914.21, 20,845.17 and 6,886.07 is: 10,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.21 : 20,845.17 = 6,886.07 : x
  2. Step 2: Convert to fraction form
    13,914.21/20,845.17 = 6,886.07/x
  3. Step 3: Cross multiply
    13,914.21x = 20,845.17 × 6,886.07
  4. Step 4: Simplify right side
    13,914.21x = 143,541,299.78
  5. Step 5: Solve for x
    x = 143,541,299.78/13,914.21
  6. Step 6: Final answer
    x = 10,316.17

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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.