Home / 11,712.15-17,569.35-6,162.03

Finding the Fourth Proportional to 11,712.15, 17,569.35 and 6,162.03

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Solution

The fourth proportional to 11,712.15, 17,569.35 and 6,162.03 is: 9,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.15 : 17,569.35 = 6,162.03 : x
  2. Step 2: Convert to fraction form
    11,712.15/17,569.35 = 6,162.03/x
  3. Step 3: Cross multiply
    11,712.15x = 17,569.35 × 6,162.03
  4. Step 4: Simplify right side
    11,712.15x = 108,262,861.78
  5. Step 5: Solve for x
    x = 108,262,861.78/11,712.15
  6. Step 6: Final answer
    x = 9,243.64

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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.