Home / 13,495.61-20,222.90-8,550.25

Finding the Fourth Proportional to 13,495.61, 20,222.90 and 8,550.25

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Solution

The fourth proportional to 13,495.61, 20,222.90 and 8,550.25 is: 12,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.61 : 20,222.90 = 8,550.25 : x
  2. Step 2: Convert to fraction form
    13,495.61/20,222.90 = 8,550.25/x
  3. Step 3: Cross multiply
    13,495.61x = 20,222.90 × 8,550.25
  4. Step 4: Simplify right side
    13,495.61x = 172,910,850.73
  5. Step 5: Solve for x
    x = 172,910,850.73/13,495.61
  6. Step 6: Final answer
    x = 12,812.38

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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.