Home / 13,614.23-18,780.86-11,819.27

Finding the Fourth Proportional to 13,614.23, 18,780.86 and 11,819.27

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Solution

The fourth proportional to 13,614.23, 18,780.86 and 11,819.27 is: 16,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.23 : 18,780.86 = 11,819.27 : x
  2. Step 2: Convert to fraction form
    13,614.23/18,780.86 = 11,819.27/x
  3. Step 3: Cross multiply
    13,614.23x = 18,780.86 × 11,819.27
  4. Step 4: Simplify right side
    13,614.23x = 221,976,026.03
  5. Step 5: Solve for x
    x = 221,976,026.03/13,614.23
  6. Step 6: Final answer
    x = 16,304.71

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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.