Home / 18,607.56-27,910.96-5,459.64

Finding the Fourth Proportional to 18,607.56, 27,910.96 and 5,459.64

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Solution

The fourth proportional to 18,607.56, 27,910.96 and 5,459.64 is: 8,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.56 : 27,910.96 = 5,459.64 : x
  2. Step 2: Convert to fraction form
    18,607.56/27,910.96 = 5,459.64/x
  3. Step 3: Cross multiply
    18,607.56x = 27,910.96 × 5,459.64
  4. Step 4: Simplify right side
    18,607.56x = 152,383,793.65
  5. Step 5: Solve for x
    x = 152,383,793.65/18,607.56
  6. Step 6: Final answer
    x = 8,189.35

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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.