Home / 14,176.59-21,257.79-8,255.44

Finding the Fourth Proportional to 14,176.59, 21,257.79 and 8,255.44

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Solution

The fourth proportional to 14,176.59, 21,257.79 and 8,255.44 is: 12,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.59 : 21,257.79 = 8,255.44 : x
  2. Step 2: Convert to fraction form
    14,176.59/21,257.79 = 8,255.44/x
  3. Step 3: Cross multiply
    14,176.59x = 21,257.79 × 8,255.44
  4. Step 4: Simplify right side
    14,176.59x = 175,492,409.88
  5. Step 5: Solve for x
    x = 175,492,409.88/14,176.59
  6. Step 6: Final answer
    x = 12,379.03

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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.