Home / 18,814.94-28,167.03-13,906.46

Finding the Fourth Proportional to 18,814.94, 28,167.03 and 13,906.46

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Solution

The fourth proportional to 18,814.94, 28,167.03 and 13,906.46 is: 20,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.94 : 28,167.03 = 13,906.46 : x
  2. Step 2: Convert to fraction form
    18,814.94/28,167.03 = 13,906.46/x
  3. Step 3: Cross multiply
    18,814.94x = 28,167.03 × 13,906.46
  4. Step 4: Simplify right side
    18,814.94x = 391,703,676.01
  5. Step 5: Solve for x
    x = 391,703,676.01/18,814.94
  6. Step 6: Final answer
    x = 20,818.76

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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.