Home / 13,917.11-20,873.97-5,596.79

Finding the Fourth Proportional to 13,917.11, 20,873.97 and 5,596.79

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Solution

The fourth proportional to 13,917.11, 20,873.97 and 5,596.79 is: 8,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.11 : 20,873.97 = 5,596.79 : x
  2. Step 2: Convert to fraction form
    13,917.11/20,873.97 = 5,596.79/x
  3. Step 3: Cross multiply
    13,917.11x = 20,873.97 × 5,596.79
  4. Step 4: Simplify right side
    13,917.11x = 116,827,122.19
  5. Step 5: Solve for x
    x = 116,827,122.19/13,917.11
  6. Step 6: Final answer
    x = 8,394.50

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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.