Home / 11,985.32-17,986.14-4,194.06

Finding the Fourth Proportional to 11,985.32, 17,986.14 and 4,194.06

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Solution

The fourth proportional to 11,985.32, 17,986.14 and 4,194.06 is: 6,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.32 : 17,986.14 = 4,194.06 : x
  2. Step 2: Convert to fraction form
    11,985.32/17,986.14 = 4,194.06/x
  3. Step 3: Cross multiply
    11,985.32x = 17,986.14 × 4,194.06
  4. Step 4: Simplify right side
    11,985.32x = 75,434,950.33
  5. Step 5: Solve for x
    x = 75,434,950.33/11,985.32
  6. Step 6: Final answer
    x = 6,293.95

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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.