Home / 13,383.38-20,077.79-4,617.15

Finding the Fourth Proportional to 13,383.38, 20,077.79 and 4,617.15

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Solution

The fourth proportional to 13,383.38, 20,077.79 and 4,617.15 is: 6,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.38 : 20,077.79 = 4,617.15 : x
  2. Step 2: Convert to fraction form
    13,383.38/20,077.79 = 4,617.15/x
  3. Step 3: Cross multiply
    13,383.38x = 20,077.79 × 4,617.15
  4. Step 4: Simplify right side
    13,383.38x = 92,702,145.01
  5. Step 5: Solve for x
    x = 92,702,145.01/13,383.38
  6. Step 6: Final answer
    x = 6,926.66

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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.