Home / 14,518.64-21,786.17-7,945.49

Finding the Fourth Proportional to 14,518.64, 21,786.17 and 7,945.49

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Solution

The fourth proportional to 14,518.64, 21,786.17 and 7,945.49 is: 11,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.64 : 21,786.17 = 7,945.49 : x
  2. Step 2: Convert to fraction form
    14,518.64/21,786.17 = 7,945.49/x
  3. Step 3: Cross multiply
    14,518.64x = 21,786.17 × 7,945.49
  4. Step 4: Simplify right side
    14,518.64x = 173,101,810.61
  5. Step 5: Solve for x
    x = 173,101,810.61/14,518.64
  6. Step 6: Final answer
    x = 11,922.73

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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.