Home / 19,676.28-27,151.20-11,717.46

Finding the Fourth Proportional to 19,676.28, 27,151.20 and 11,717.46

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Solution

The fourth proportional to 19,676.28, 27,151.20 and 11,717.46 is: 16,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.28 : 27,151.20 = 11,717.46 : x
  2. Step 2: Convert to fraction form
    19,676.28/27,151.20 = 11,717.46/x
  3. Step 3: Cross multiply
    19,676.28x = 27,151.20 × 11,717.46
  4. Step 4: Simplify right side
    19,676.28x = 318,143,099.95
  5. Step 5: Solve for x
    x = 318,143,099.95/19,676.28
  6. Step 6: Final answer
    x = 16,168.86

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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.