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Finding the Fourth Proportional to 18,160.34, 27,242.94 and 8,302.64

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Solution

The fourth proportional to 18,160.34, 27,242.94 and 8,302.64 is: 12,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.34 : 27,242.94 = 8,302.64 : x
  2. Step 2: Convert to fraction form
    18,160.34/27,242.94 = 8,302.64/x
  3. Step 3: Cross multiply
    18,160.34x = 27,242.94 × 8,302.64
  4. Step 4: Simplify right side
    18,160.34x = 226,188,323.36
  5. Step 5: Solve for x
    x = 226,188,323.36/18,160.34
  6. Step 6: Final answer
    x = 12,455.07

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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.