Home / 14,317.55-21,481.79-8,084.60

Finding the Fourth Proportional to 14,317.55, 21,481.79 and 8,084.60

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Solution

The fourth proportional to 14,317.55, 21,481.79 and 8,084.60 is: 12,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.55 : 21,481.79 = 8,084.60 : x
  2. Step 2: Convert to fraction form
    14,317.55/21,481.79 = 8,084.60/x
  3. Step 3: Cross multiply
    14,317.55x = 21,481.79 × 8,084.60
  4. Step 4: Simplify right side
    14,317.55x = 173,671,531.60
  5. Step 5: Solve for x
    x = 173,671,531.60/14,317.55
  6. Step 6: Final answer
    x = 12,129.98

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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.