Home / 13,630.68-20,446.02-3,769.97

Finding the Fourth Proportional to 13,630.68, 20,446.02 and 3,769.97

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Solution

The fourth proportional to 13,630.68, 20,446.02 and 3,769.97 is: 5,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630.68 : 20,446.02 = 3,769.97 : x
  2. Step 2: Convert to fraction form
    13,630.68/20,446.02 = 3,769.97/x
  3. Step 3: Cross multiply
    13,630.68x = 20,446.02 × 3,769.97
  4. Step 4: Simplify right side
    13,630.68x = 77,080,779.79
  5. Step 5: Solve for x
    x = 77,080,779.79/13,630.68
  6. Step 6: Final answer
    x = 5,654.95

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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.