Home / 18,069.72-27,109.44-6,381.48

Finding the Fourth Proportional to 18,069.72, 27,109.44 and 6,381.48

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Solution

The fourth proportional to 18,069.72, 27,109.44 and 6,381.48 is: 9,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.72 : 27,109.44 = 6,381.48 : x
  2. Step 2: Convert to fraction form
    18,069.72/27,109.44 = 6,381.48/x
  3. Step 3: Cross multiply
    18,069.72x = 27,109.44 × 6,381.48
  4. Step 4: Simplify right side
    18,069.72x = 172,998,349.17
  5. Step 5: Solve for x
    x = 172,998,349.17/18,069.72
  6. Step 6: Final answer
    x = 9,573.94

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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.