Home / 16,771.47-23,143.50-9,217.64

Finding the Fourth Proportional to 16,771.47, 23,143.50 and 9,217.64

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Solution

The fourth proportional to 16,771.47, 23,143.50 and 9,217.64 is: 12,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.47 : 23,143.50 = 9,217.64 : x
  2. Step 2: Convert to fraction form
    16,771.47/23,143.50 = 9,217.64/x
  3. Step 3: Cross multiply
    16,771.47x = 23,143.50 × 9,217.64
  4. Step 4: Simplify right side
    16,771.47x = 213,328,335.62
  5. Step 5: Solve for x
    x = 213,328,335.62/16,771.47
  6. Step 6: Final answer
    x = 12,719.72

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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.