Home / 17,105.04-25,639.74-8,327.88

Finding the Fourth Proportional to 17,105.04, 25,639.74 and 8,327.88

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Solution

The fourth proportional to 17,105.04, 25,639.74 and 8,327.88 is: 12,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,105.04 : 25,639.74 = 8,327.88 : x
  2. Step 2: Convert to fraction form
    17,105.04/25,639.74 = 8,327.88/x
  3. Step 3: Cross multiply
    17,105.04x = 25,639.74 × 8,327.88
  4. Step 4: Simplify right side
    17,105.04x = 213,524,677.95
  5. Step 5: Solve for x
    x = 213,524,677.95/17,105.04
  6. Step 6: Final answer
    x = 12,483.14

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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.