Home / 14,546.45-21,821.31-5,188.66

Finding the Fourth Proportional to 14,546.45, 21,821.31 and 5,188.66

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Solution

The fourth proportional to 14,546.45, 21,821.31 and 5,188.66 is: 7,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,546.45 : 21,821.31 = 5,188.66 : x
  2. Step 2: Convert to fraction form
    14,546.45/21,821.31 = 5,188.66/x
  3. Step 3: Cross multiply
    14,546.45x = 21,821.31 × 5,188.66
  4. Step 4: Simplify right side
    14,546.45x = 113,223,278.25
  5. Step 5: Solve for x
    x = 113,223,278.25/14,546.45
  6. Step 6: Final answer
    x = 7,783.57

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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.