Home / 18,606.62-27,912.72-5,457.44

Finding the Fourth Proportional to 18,606.62, 27,912.72 and 5,457.44

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Solution

The fourth proportional to 18,606.62, 27,912.72 and 5,457.44 is: 8,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.62 : 27,912.72 = 5,457.44 : x
  2. Step 2: Convert to fraction form
    18,606.62/27,912.72 = 5,457.44/x
  3. Step 3: Cross multiply
    18,606.62x = 27,912.72 × 5,457.44
  4. Step 4: Simplify right side
    18,606.62x = 152,331,994.64
  5. Step 5: Solve for x
    x = 152,331,994.64/18,606.62
  6. Step 6: Final answer
    x = 8,186.98

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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.