Home / 14,441.56-21,670.98-8,289.88

Finding the Fourth Proportional to 14,441.56, 21,670.98 and 8,289.88

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Solution

The fourth proportional to 14,441.56, 21,670.98 and 8,289.88 is: 12,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.56 : 21,670.98 = 8,289.88 : x
  2. Step 2: Convert to fraction form
    14,441.56/21,670.98 = 8,289.88/x
  3. Step 3: Cross multiply
    14,441.56x = 21,670.98 × 8,289.88
  4. Step 4: Simplify right side
    14,441.56x = 179,649,823.68
  5. Step 5: Solve for x
    x = 179,649,823.68/14,441.56
  6. Step 6: Final answer
    x = 12,439.78

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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.