Home / 18,045.88-27,072.32-5,563.72

Finding the Fourth Proportional to 18,045.88, 27,072.32 and 5,563.72

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Solution

The fourth proportional to 18,045.88, 27,072.32 and 5,563.72 is: 8,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.88 : 27,072.32 = 5,563.72 : x
  2. Step 2: Convert to fraction form
    18,045.88/27,072.32 = 5,563.72/x
  3. Step 3: Cross multiply
    18,045.88x = 27,072.32 × 5,563.72
  4. Step 4: Simplify right side
    18,045.88x = 150,622,808.23
  5. Step 5: Solve for x
    x = 150,622,808.23/18,045.88
  6. Step 6: Final answer
    x = 8,346.66

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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.