Home / 18,383.58-27,540.68-10,864.69

Finding the Fourth Proportional to 18,383.58, 27,540.68 and 10,864.69

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Solution

The fourth proportional to 18,383.58, 27,540.68 and 10,864.69 is: 16,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.58 : 27,540.68 = 10,864.69 : x
  2. Step 2: Convert to fraction form
    18,383.58/27,540.68 = 10,864.69/x
  3. Step 3: Cross multiply
    18,383.58x = 27,540.68 × 10,864.69
  4. Step 4: Simplify right side
    18,383.58x = 299,220,827.41
  5. Step 5: Solve for x
    x = 299,220,827.41/18,383.58
  6. Step 6: Final answer
    x = 16,276.53

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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.