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Finding the Fourth Proportional to 18,095.46, 27,103.09 and 13,904.62

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Solution

The fourth proportional to 18,095.46, 27,103.09 and 13,904.62 is: 20,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.46 : 27,103.09 = 13,904.62 : x
  2. Step 2: Convert to fraction form
    18,095.46/27,103.09 = 13,904.62/x
  3. Step 3: Cross multiply
    18,095.46x = 27,103.09 × 13,904.62
  4. Step 4: Simplify right side
    18,095.46x = 376,858,167.28
  5. Step 5: Solve for x
    x = 376,858,167.28/18,095.46
  6. Step 6: Final answer
    x = 20,826.12

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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.