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Finding the Fourth Proportional to 30,171.88, 45,262.14 and 9,397

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Solution

The fourth proportional to 30,171.88, 45,262.14 and 9,397 is: 14,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.88 : 45,262.14 = 9,397 : x
  2. Step 2: Convert to fraction form
    30,171.88/45,262.14 = 9,397/x
  3. Step 3: Cross multiply
    30,171.88x = 45,262.14 × 9,397
  4. Step 4: Simplify right side
    30,171.88x = 425,328,329.58
  5. Step 5: Solve for x
    x = 425,328,329.58/30,171.88
  6. Step 6: Final answer
    x = 14,096.85

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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.