Home / 14,593.91-20,141.33-8,221.64

Finding the Fourth Proportional to 14,593.91, 20,141.33 and 8,221.64

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Solution

The fourth proportional to 14,593.91, 20,141.33 and 8,221.64 is: 11,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.91 : 20,141.33 = 8,221.64 : x
  2. Step 2: Convert to fraction form
    14,593.91/20,141.33 = 8,221.64/x
  3. Step 3: Cross multiply
    14,593.91x = 20,141.33 × 8,221.64
  4. Step 4: Simplify right side
    14,593.91x = 165,594,622.57
  5. Step 5: Solve for x
    x = 165,594,622.57/14,593.91
  6. Step 6: Final answer
    x = 11,346.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.