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Finding the Fourth Proportional to 18,217, 27,323.06 and 7,115.96

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Solution

The fourth proportional to 18,217, 27,323.06 and 7,115.96 is: 10,672.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217 : 27,323.06 = 7,115.96 : x
  2. Step 2: Convert to fraction form
    18,217/27,323.06 = 7,115.96/x
  3. Step 3: Cross multiply
    18,217x = 27,323.06 × 7,115.96
  4. Step 4: Simplify right side
    18,217x = 194,429,802.04
  5. Step 5: Solve for x
    x = 194,429,802.04/18,217
  6. Step 6: Final answer
    x = 10,672.99

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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.