Home / 13,716.32-20,557.82-6,310.58

Finding the Fourth Proportional to 13,716.32, 20,557.82 and 6,310.58

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Solution

The fourth proportional to 13,716.32, 20,557.82 and 6,310.58 is: 9,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.32 : 20,557.82 = 6,310.58 : x
  2. Step 2: Convert to fraction form
    13,716.32/20,557.82 = 6,310.58/x
  3. Step 3: Cross multiply
    13,716.32x = 20,557.82 × 6,310.58
  4. Step 4: Simplify right side
    13,716.32x = 129,731,767.74
  5. Step 5: Solve for x
    x = 129,731,767.74/13,716.32
  6. Step 6: Final answer
    x = 9,458.21

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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.