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Finding the Fourth Proportional to 14,229.37, 19,625.44 and 9,125.37

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Solution

The fourth proportional to 14,229.37, 19,625.44 and 9,125.37 is: 12,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.37 : 19,625.44 = 9,125.37 : x
  2. Step 2: Convert to fraction form
    14,229.37/19,625.44 = 9,125.37/x
  3. Step 3: Cross multiply
    14,229.37x = 19,625.44 × 9,125.37
  4. Step 4: Simplify right side
    14,229.37x = 179,089,401.41
  5. Step 5: Solve for x
    x = 179,089,401.41/14,229.37
  6. Step 6: Final answer
    x = 12,585.90

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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.