Home / 11,986.24-17,974.70-4,967.40

Finding the Fourth Proportional to 11,986.24, 17,974.70 and 4,967.40

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Solution

The fourth proportional to 11,986.24, 17,974.70 and 4,967.40 is: 7,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.24 : 17,974.70 = 4,967.40 : x
  2. Step 2: Convert to fraction form
    11,986.24/17,974.70 = 4,967.40/x
  3. Step 3: Cross multiply
    11,986.24x = 17,974.70 × 4,967.40
  4. Step 4: Simplify right side
    11,986.24x = 89,287,524.78
  5. Step 5: Solve for x
    x = 89,287,524.78/11,986.24
  6. Step 6: Final answer
    x = 7,449.17

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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.