Home / 16,771.54-23,144.25-9,217.87

Finding the Fourth Proportional to 16,771.54, 23,144.25 and 9,217.87

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Solution

The fourth proportional to 16,771.54, 23,144.25 and 9,217.87 is: 12,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.54 : 23,144.25 = 9,217.87 : x
  2. Step 2: Convert to fraction form
    16,771.54/23,144.25 = 9,217.87/x
  3. Step 3: Cross multiply
    16,771.54x = 23,144.25 × 9,217.87
  4. Step 4: Simplify right side
    16,771.54x = 213,340,612.60
  5. Step 5: Solve for x
    x = 213,340,612.60/16,771.54
  6. Step 6: Final answer
    x = 12,720.40

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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.