Home / 18,190.16-27,258.84-9,863.12

Finding the Fourth Proportional to 18,190.16, 27,258.84 and 9,863.12

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Solution

The fourth proportional to 18,190.16, 27,258.84 and 9,863.12 is: 14,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.16 : 27,258.84 = 9,863.12 : x
  2. Step 2: Convert to fraction form
    18,190.16/27,258.84 = 9,863.12/x
  3. Step 3: Cross multiply
    18,190.16x = 27,258.84 × 9,863.12
  4. Step 4: Simplify right side
    18,190.16x = 268,857,209.98
  5. Step 5: Solve for x
    x = 268,857,209.98/18,190.16
  6. Step 6: Final answer
    x = 14,780.37

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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.