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Finding the Fourth Proportional to 18,108.96, 27,166.64 and 6,263.93

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Solution

The fourth proportional to 18,108.96, 27,166.64 and 6,263.93 is: 9,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.96 : 27,166.64 = 6,263.93 : x
  2. Step 2: Convert to fraction form
    18,108.96/27,166.64 = 6,263.93/x
  3. Step 3: Cross multiply
    18,108.96x = 27,166.64 × 6,263.93
  4. Step 4: Simplify right side
    18,108.96x = 170,169,764.14
  5. Step 5: Solve for x
    x = 170,169,764.14/18,108.96
  6. Step 6: Final answer
    x = 9,396.99

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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.