Home / 14,744.21-20,348.16-8,371.85

Finding the Fourth Proportional to 14,744.21, 20,348.16 and 8,371.85

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Solution

The fourth proportional to 14,744.21, 20,348.16 and 8,371.85 is: 11,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.21 : 20,348.16 = 8,371.85 : x
  2. Step 2: Convert to fraction form
    14,744.21/20,348.16 = 8,371.85/x
  3. Step 3: Cross multiply
    14,744.21x = 20,348.16 × 8,371.85
  4. Step 4: Simplify right side
    14,744.21x = 170,351,641.56
  5. Step 5: Solve for x
    x = 170,351,641.56/14,744.21
  6. Step 6: Final answer
    x = 11,553.80

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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.