Home / 18,383.32-27,588.04-7,292.40

Finding the Fourth Proportional to 18,383.32, 27,588.04 and 7,292.40

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Solution

The fourth proportional to 18,383.32, 27,588.04 and 7,292.40 is: 10,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.32 : 27,588.04 = 7,292.40 : x
  2. Step 2: Convert to fraction form
    18,383.32/27,588.04 = 7,292.40/x
  3. Step 3: Cross multiply
    18,383.32x = 27,588.04 × 7,292.40
  4. Step 4: Simplify right side
    18,383.32x = 201,183,022.90
  5. Step 5: Solve for x
    x = 201,183,022.90/18,383.32
  6. Step 6: Final answer
    x = 10,943.78

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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.