Home / 16,857.64-25,262.94-13,142.92

Finding the Fourth Proportional to 16,857.64, 25,262.94 and 13,142.92

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Solution

The fourth proportional to 16,857.64, 25,262.94 and 13,142.92 is: 19,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.64 : 25,262.94 = 13,142.92 : x
  2. Step 2: Convert to fraction form
    16,857.64/25,262.94 = 13,142.92/x
  3. Step 3: Cross multiply
    16,857.64x = 25,262.94 × 13,142.92
  4. Step 4: Simplify right side
    16,857.64x = 332,028,799.38
  5. Step 5: Solve for x
    x = 332,028,799.38/16,857.64
  6. Step 6: Final answer
    x = 19,696.04

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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.