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Finding the Fourth Proportional to 8,674.42, 13,004.33 and 7,026.88

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Solution

The fourth proportional to 8,674.42, 13,004.33 and 7,026.88 is: 10,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.42 : 13,004.33 = 7,026.88 : x
  2. Step 2: Convert to fraction form
    8,674.42/13,004.33 = 7,026.88/x
  3. Step 3: Cross multiply
    8,674.42x = 13,004.33 × 7,026.88
  4. Step 4: Simplify right side
    8,674.42x = 91,379,801.37
  5. Step 5: Solve for x
    x = 91,379,801.37/8,674.42
  6. Step 6: Final answer
    x = 10,534.41

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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.