Home / 18,001.52-27,000.43-4,855.22

Finding the Fourth Proportional to 18,001.52, 27,000.43 and 4,855.22

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Solution

The fourth proportional to 18,001.52, 27,000.43 and 4,855.22 is: 7,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.52 : 27,000.43 = 4,855.22 : x
  2. Step 2: Convert to fraction form
    18,001.52/27,000.43 = 4,855.22/x
  3. Step 3: Cross multiply
    18,001.52x = 27,000.43 × 4,855.22
  4. Step 4: Simplify right side
    18,001.52x = 131,093,027.74
  5. Step 5: Solve for x
    x = 131,093,027.74/18,001.52
  6. Step 6: Final answer
    x = 7,282.33

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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.