Home / 13,215.97-19,826.79-4,450.76

Finding the Fourth Proportional to 13,215.97, 19,826.79 and 4,450.76

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Solution

The fourth proportional to 13,215.97, 19,826.79 and 4,450.76 is: 6,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.97 : 19,826.79 = 4,450.76 : x
  2. Step 2: Convert to fraction form
    13,215.97/19,826.79 = 4,450.76/x
  3. Step 3: Cross multiply
    13,215.97x = 19,826.79 × 4,450.76
  4. Step 4: Simplify right side
    13,215.97x = 88,244,283.86
  5. Step 5: Solve for x
    x = 88,244,283.86/13,215.97
  6. Step 6: Final answer
    x = 6,677.09

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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.