Home / 9,912.30-13,676.22-7,080.54

Finding the Fourth Proportional to 9,912.30, 13,676.22 and 7,080.54

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Solution

The fourth proportional to 9,912.30, 13,676.22 and 7,080.54 is: 9,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.30 : 13,676.22 = 7,080.54 : x
  2. Step 2: Convert to fraction form
    9,912.30/13,676.22 = 7,080.54/x
  3. Step 3: Cross multiply
    9,912.30x = 13,676.22 × 7,080.54
  4. Step 4: Simplify right side
    9,912.30x = 96,835,022.76
  5. Step 5: Solve for x
    x = 96,835,022.76/9,912.30
  6. Step 6: Final answer
    x = 9,769.18

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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.