Home / 18,769.38-28,129.83-14,052.34

Finding the Fourth Proportional to 18,769.38, 28,129.83 and 14,052.34

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Solution

The fourth proportional to 18,769.38, 28,129.83 and 14,052.34 is: 21,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.38 : 28,129.83 = 14,052.34 : x
  2. Step 2: Convert to fraction form
    18,769.38/28,129.83 = 14,052.34/x
  3. Step 3: Cross multiply
    18,769.38x = 28,129.83 × 14,052.34
  4. Step 4: Simplify right side
    18,769.38x = 395,289,935.30
  5. Step 5: Solve for x
    x = 395,289,935.30/18,769.38
  6. Step 6: Final answer
    x = 21,060.36

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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.