Home / 13,853.58-20,780.37-6,463.22

Finding the Fourth Proportional to 13,853.58, 20,780.37 and 6,463.22

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Solution

The fourth proportional to 13,853.58, 20,780.37 and 6,463.22 is: 9,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.58 : 20,780.37 = 6,463.22 : x
  2. Step 2: Convert to fraction form
    13,853.58/20,780.37 = 6,463.22/x
  3. Step 3: Cross multiply
    13,853.58x = 20,780.37 × 6,463.22
  4. Step 4: Simplify right side
    13,853.58x = 134,307,999.09
  5. Step 5: Solve for x
    x = 134,307,999.09/13,853.58
  6. Step 6: Final answer
    x = 9,694.82

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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.