Home / 13,939.73-20,908.03-4,079.08

Finding the Fourth Proportional to 13,939.73, 20,908.03 and 4,079.08

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Solution

The fourth proportional to 13,939.73, 20,908.03 and 4,079.08 is: 6,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.73 : 20,908.03 = 4,079.08 : x
  2. Step 2: Convert to fraction form
    13,939.73/20,908.03 = 4,079.08/x
  3. Step 3: Cross multiply
    13,939.73x = 20,908.03 × 4,079.08
  4. Step 4: Simplify right side
    13,939.73x = 85,285,527.01
  5. Step 5: Solve for x
    x = 85,285,527.01/13,939.73
  6. Step 6: Final answer
    x = 6,118.16

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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.