Home / 11,674.16-17,518.07-4,279.14

Finding the Fourth Proportional to 11,674.16, 17,518.07 and 4,279.14

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Solution

The fourth proportional to 11,674.16, 17,518.07 and 4,279.14 is: 6,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.16 : 17,518.07 = 4,279.14 : x
  2. Step 2: Convert to fraction form
    11,674.16/17,518.07 = 4,279.14/x
  3. Step 3: Cross multiply
    11,674.16x = 17,518.07 × 4,279.14
  4. Step 4: Simplify right side
    11,674.16x = 74,962,252.66
  5. Step 5: Solve for x
    x = 74,962,252.66/11,674.16
  6. Step 6: Final answer
    x = 6,421.21

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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.