Home / 18,857.46-28,286.26-5,709.94

Finding the Fourth Proportional to 18,857.46, 28,286.26 and 5,709.94

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Solution

The fourth proportional to 18,857.46, 28,286.26 and 5,709.94 is: 8,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.46 : 28,286.26 = 5,709.94 : x
  2. Step 2: Convert to fraction form
    18,857.46/28,286.26 = 5,709.94/x
  3. Step 3: Cross multiply
    18,857.46x = 28,286.26 × 5,709.94
  4. Step 4: Simplify right side
    18,857.46x = 161,512,953.66
  5. Step 5: Solve for x
    x = 161,512,953.66/18,857.46
  6. Step 6: Final answer
    x = 8,564.94

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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.