Home / 13,769.08-20,654.40-3,907.58

Finding the Fourth Proportional to 13,769.08, 20,654.40 and 3,907.58

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Solution

The fourth proportional to 13,769.08, 20,654.40 and 3,907.58 is: 5,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.08 : 20,654.40 = 3,907.58 : x
  2. Step 2: Convert to fraction form
    13,769.08/20,654.40 = 3,907.58/x
  3. Step 3: Cross multiply
    13,769.08x = 20,654.40 × 3,907.58
  4. Step 4: Simplify right side
    13,769.08x = 80,708,720.35
  5. Step 5: Solve for x
    x = 80,708,720.35/13,769.08
  6. Step 6: Final answer
    x = 5,861.59

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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.