Home / 9,997.40-15,001.68-3,761.84

Finding the Fourth Proportional to 9,997.40, 15,001.68 and 3,761.84

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Solution

The fourth proportional to 9,997.40, 15,001.68 and 3,761.84 is: 5,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.40 : 15,001.68 = 3,761.84 : x
  2. Step 2: Convert to fraction form
    9,997.40/15,001.68 = 3,761.84/x
  3. Step 3: Cross multiply
    9,997.40x = 15,001.68 × 3,761.84
  4. Step 4: Simplify right side
    9,997.40x = 56,433,919.89
  5. Step 5: Solve for x
    x = 56,433,919.89/9,997.40
  6. Step 6: Final answer
    x = 5,644.86

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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.