Home / 13,907.97-20,861.96-3,377.93

Finding the Fourth Proportional to 13,907.97, 20,861.96 and 3,377.93

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Solution

The fourth proportional to 13,907.97, 20,861.96 and 3,377.93 is: 5,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.97 : 20,861.96 = 3,377.93 : x
  2. Step 2: Convert to fraction form
    13,907.97/20,861.96 = 3,377.93/x
  3. Step 3: Cross multiply
    13,907.97x = 20,861.96 × 3,377.93
  4. Step 4: Simplify right side
    13,907.97x = 70,470,119.34
  5. Step 5: Solve for x
    x = 70,470,119.34/13,907.97
  6. Step 6: Final answer
    x = 5,066.89

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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.