Home / 13,774.31-20,662.83-4,411.97

Finding the Fourth Proportional to 13,774.31, 20,662.83 and 4,411.97

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Solution

The fourth proportional to 13,774.31, 20,662.83 and 4,411.97 is: 6,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.31 : 20,662.83 = 4,411.97 : x
  2. Step 2: Convert to fraction form
    13,774.31/20,662.83 = 4,411.97/x
  3. Step 3: Cross multiply
    13,774.31x = 20,662.83 × 4,411.97
  4. Step 4: Simplify right side
    13,774.31x = 91,163,786.08
  5. Step 5: Solve for x
    x = 91,163,786.08/13,774.31
  6. Step 6: Final answer
    x = 6,618.39

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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.