Home / 14,087.78-21,110.82-5,757.74

Finding the Fourth Proportional to 14,087.78, 21,110.82 and 5,757.74

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Solution

The fourth proportional to 14,087.78, 21,110.82 and 5,757.74 is: 8,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.78 : 21,110.82 = 5,757.74 : x
  2. Step 2: Convert to fraction form
    14,087.78/21,110.82 = 5,757.74/x
  3. Step 3: Cross multiply
    14,087.78x = 21,110.82 × 5,757.74
  4. Step 4: Simplify right side
    14,087.78x = 121,550,612.75
  5. Step 5: Solve for x
    x = 121,550,612.75/14,087.78
  6. Step 6: Final answer
    x = 8,628.09

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1.5x scale

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.