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Finding the Fourth Proportional to 8,674.67, 13,004.70 and 7,027.13

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Solution

The fourth proportional to 8,674.67, 13,004.70 and 7,027.13 is: 10,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.67 : 13,004.70 = 7,027.13 : x
  2. Step 2: Convert to fraction form
    8,674.67/13,004.70 = 7,027.13/x
  3. Step 3: Cross multiply
    8,674.67x = 13,004.70 × 7,027.13
  4. Step 4: Simplify right side
    8,674.67x = 91,385,652.49
  5. Step 5: Solve for x
    x = 91,385,652.49/8,674.67
  6. Step 6: Final answer
    x = 10,534.78

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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.