Home / 16,771.68-23,147.10-10,820.66

Finding the Fourth Proportional to 16,771.68, 23,147.10 and 10,820.66

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Solution

The fourth proportional to 16,771.68, 23,147.10 and 10,820.66 is: 14,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.68 : 23,147.10 = 10,820.66 : x
  2. Step 2: Convert to fraction form
    16,771.68/23,147.10 = 10,820.66/x
  3. Step 3: Cross multiply
    16,771.68x = 23,147.10 × 10,820.66
  4. Step 4: Simplify right side
    16,771.68x = 250,466,910.73
  5. Step 5: Solve for x
    x = 250,466,910.73/16,771.68
  6. Step 6: Final answer
    x = 14,933.92

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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.