Home / 8,676.72-13,015.09-2,102.91

Finding the Fourth Proportional to 8,676.72, 13,015.09 and 2,102.91

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Solution

The fourth proportional to 8,676.72, 13,015.09 and 2,102.91 is: 3,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.72 : 13,015.09 = 2,102.91 : x
  2. Step 2: Convert to fraction form
    8,676.72/13,015.09 = 2,102.91/x
  3. Step 3: Cross multiply
    8,676.72x = 13,015.09 × 2,102.91
  4. Step 4: Simplify right side
    8,676.72x = 27,369,557.68
  5. Step 5: Solve for x
    x = 27,369,557.68/8,676.72
  6. Step 6: Final answer
    x = 3,154.37

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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.