Home / 14,262.09-21,376.67-7,674.43

Finding the Fourth Proportional to 14,262.09, 21,376.67 and 7,674.43

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Solution

The fourth proportional to 14,262.09, 21,376.67 and 7,674.43 is: 11,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.09 : 21,376.67 = 7,674.43 : x
  2. Step 2: Convert to fraction form
    14,262.09/21,376.67 = 7,674.43/x
  3. Step 3: Cross multiply
    14,262.09x = 21,376.67 × 7,674.43
  4. Step 4: Simplify right side
    14,262.09x = 164,053,849.96
  5. Step 5: Solve for x
    x = 164,053,849.96/14,262.09
  6. Step 6: Final answer
    x = 11,502.79

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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.