Home / 11,278.79-16,917.98-3,883.08

Finding the Fourth Proportional to 11,278.79, 16,917.98 and 3,883.08

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Solution

The fourth proportional to 11,278.79, 16,917.98 and 3,883.08 is: 5,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.79 : 16,917.98 = 3,883.08 : x
  2. Step 2: Convert to fraction form
    11,278.79/16,917.98 = 3,883.08/x
  3. Step 3: Cross multiply
    11,278.79x = 16,917.98 × 3,883.08
  4. Step 4: Simplify right side
    11,278.79x = 65,693,931.94
  5. Step 5: Solve for x
    x = 65,693,931.94/11,278.79
  6. Step 6: Final answer
    x = 5,824.56

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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.