Home / 18,571.36-27,857.05-9,217.84

Finding the Fourth Proportional to 18,571.36, 27,857.05 and 9,217.84

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Solution

The fourth proportional to 18,571.36, 27,857.05 and 9,217.84 is: 13,826.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.36 : 27,857.05 = 9,217.84 : x
  2. Step 2: Convert to fraction form
    18,571.36/27,857.05 = 9,217.84/x
  3. Step 3: Cross multiply
    18,571.36x = 27,857.05 × 9,217.84
  4. Step 4: Simplify right side
    18,571.36x = 256,781,829.77
  5. Step 5: Solve for x
    x = 256,781,829.77/18,571.36
  6. Step 6: Final answer
    x = 13,826.76

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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.