Home / 9,821.44-13,537.82-6,633.72

Finding the Fourth Proportional to 9,821.44, 13,537.82 and 6,633.72

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Solution

The fourth proportional to 9,821.44, 13,537.82 and 6,633.72 is: 9,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.44 : 13,537.82 = 6,633.72 : x
  2. Step 2: Convert to fraction form
    9,821.44/13,537.82 = 6,633.72/x
  3. Step 3: Cross multiply
    9,821.44x = 13,537.82 × 6,633.72
  4. Step 4: Simplify right side
    9,821.44x = 89,806,107.29
  5. Step 5: Solve for x
    x = 89,806,107.29/9,821.44
  6. Step 6: Final answer
    x = 9,143.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.