Home / 18,154.56-27,231.57-8,795.40

Finding the Fourth Proportional to 18,154.56, 27,231.57 and 8,795.40

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Solution

The fourth proportional to 18,154.56, 27,231.57 and 8,795.40 is: 13,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.56 : 27,231.57 = 8,795.40 : x
  2. Step 2: Convert to fraction form
    18,154.56/27,231.57 = 8,795.40/x
  3. Step 3: Cross multiply
    18,154.56x = 27,231.57 × 8,795.40
  4. Step 4: Simplify right side
    18,154.56x = 239,512,550.78
  5. Step 5: Solve for x
    x = 239,512,550.78/18,154.56
  6. Step 6: Final answer
    x = 13,192.97

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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.