Home / 18,383.19-27,579.64-9,615.75

Finding the Fourth Proportional to 18,383.19, 27,579.64 and 9,615.75

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Solution

The fourth proportional to 18,383.19, 27,579.64 and 9,615.75 is: 14,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.19 : 27,579.64 = 9,615.75 : x
  2. Step 2: Convert to fraction form
    18,383.19/27,579.64 = 9,615.75/x
  3. Step 3: Cross multiply
    18,383.19x = 27,579.64 × 9,615.75
  4. Step 4: Simplify right side
    18,383.19x = 265,198,923.33
  5. Step 5: Solve for x
    x = 265,198,923.33/18,383.19
  6. Step 6: Final answer
    x = 14,426.16

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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.