Home / 18,044.20-27,017.70-14,123.80

Finding the Fourth Proportional to 18,044.20, 27,017.70 and 14,123.80

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Solution

The fourth proportional to 18,044.20, 27,017.70 and 14,123.80 is: 21,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,044.20 : 27,017.70 = 14,123.80 : x
  2. Step 2: Convert to fraction form
    18,044.20/27,017.70 = 14,123.80/x
  3. Step 3: Cross multiply
    18,044.20x = 27,017.70 × 14,123.80
  4. Step 4: Simplify right side
    18,044.20x = 381,592,591.26
  5. Step 5: Solve for x
    x = 381,592,591.26/18,044.20
  6. Step 6: Final answer
    x = 21,147.66

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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.