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Finding the Fourth Proportional to 18,227.39, 27,341.08 and 4,376.39

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Solution

The fourth proportional to 18,227.39, 27,341.08 and 4,376.39 is: 6,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.39 : 27,341.08 = 4,376.39 : x
  2. Step 2: Convert to fraction form
    18,227.39/27,341.08 = 4,376.39/x
  3. Step 3: Cross multiply
    18,227.39x = 27,341.08 × 4,376.39
  4. Step 4: Simplify right side
    18,227.39x = 119,655,229.10
  5. Step 5: Solve for x
    x = 119,655,229.10/18,227.39
  6. Step 6: Final answer
    x = 6,564.58

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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.