Home / 13,660.14-18,856.26-9,196.62

Finding the Fourth Proportional to 13,660.14, 18,856.26 and 9,196.62

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Solution

The fourth proportional to 13,660.14, 18,856.26 and 9,196.62 is: 12,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.14 : 18,856.26 = 9,196.62 : x
  2. Step 2: Convert to fraction form
    13,660.14/18,856.26 = 9,196.62/x
  3. Step 3: Cross multiply
    13,660.14x = 18,856.26 × 9,196.62
  4. Step 4: Simplify right side
    13,660.14x = 173,413,857.84
  5. Step 5: Solve for x
    x = 173,413,857.84/13,660.14
  6. Step 6: Final answer
    x = 12,694.88

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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.