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Finding the Fourth Proportional to 18,033.76, 27,051.03 and 6,187.49

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Solution

The fourth proportional to 18,033.76, 27,051.03 and 6,187.49 is: 9,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.76 : 27,051.03 = 6,187.49 : x
  2. Step 2: Convert to fraction form
    18,033.76/27,051.03 = 6,187.49/x
  3. Step 3: Cross multiply
    18,033.76x = 27,051.03 × 6,187.49
  4. Step 4: Simplify right side
    18,033.76x = 167,377,943.80
  5. Step 5: Solve for x
    x = 167,377,943.80/18,033.76
  6. Step 6: Final answer
    x = 9,281.37

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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.