Home / 8,997.03-12,431.13-6,474.15

Finding the Fourth Proportional to 8,997.03, 12,431.13 and 6,474.15

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Solution

The fourth proportional to 8,997.03, 12,431.13 and 6,474.15 is: 8,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.03 : 12,431.13 = 6,474.15 : x
  2. Step 2: Convert to fraction form
    8,997.03/12,431.13 = 6,474.15/x
  3. Step 3: Cross multiply
    8,997.03x = 12,431.13 × 6,474.15
  4. Step 4: Simplify right side
    8,997.03x = 80,481,000.29
  5. Step 5: Solve for x
    x = 80,481,000.29/8,997.03
  6. Step 6: Final answer
    x = 8,945.29

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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.