Home / 16,865.07-25,285.11-8,091.63

Finding the Fourth Proportional to 16,865.07, 25,285.11 and 8,091.63

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Solution

The fourth proportional to 16,865.07, 25,285.11 and 8,091.63 is: 12,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.07 : 25,285.11 = 8,091.63 : x
  2. Step 2: Convert to fraction form
    16,865.07/25,285.11 = 8,091.63/x
  3. Step 3: Cross multiply
    16,865.07x = 25,285.11 × 8,091.63
  4. Step 4: Simplify right side
    16,865.07x = 204,597,754.63
  5. Step 5: Solve for x
    x = 204,597,754.63/16,865.07
  6. Step 6: Final answer
    x = 12,131.45

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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.