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Finding the Fourth Proportional to 17,001.58, 25,465.38 and 8,218

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Solution

The fourth proportional to 17,001.58, 25,465.38 and 8,218 is: 12,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.58 : 25,465.38 = 8,218 : x
  2. Step 2: Convert to fraction form
    17,001.58/25,465.38 = 8,218/x
  3. Step 3: Cross multiply
    17,001.58x = 25,465.38 × 8,218
  4. Step 4: Simplify right side
    17,001.58x = 209,274,492.84
  5. Step 5: Solve for x
    x = 209,274,492.84/17,001.58
  6. Step 6: Final answer
    x = 12,309.12

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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.