Home / 20,204.28-27,877.26-12,244.86

Finding the Fourth Proportional to 20,204.28, 27,877.26 and 12,244.86

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Solution

The fourth proportional to 20,204.28, 27,877.26 and 12,244.86 is: 16,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.28 : 27,877.26 = 12,244.86 : x
  2. Step 2: Convert to fraction form
    20,204.28/27,877.26 = 12,244.86/x
  3. Step 3: Cross multiply
    20,204.28x = 27,877.26 × 12,244.86
  4. Step 4: Simplify right side
    20,204.28x = 341,353,145.88
  5. Step 5: Solve for x
    x = 341,353,145.88/20,204.28
  6. Step 6: Final answer
    x = 16,895.09

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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.