Home / 8,213.21-12,334.59-7,553.89

Finding the Fourth Proportional to 8,213.21, 12,334.59 and 7,553.89

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Solution

The fourth proportional to 8,213.21, 12,334.59 and 7,553.89 is: 11,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.21 : 12,334.59 = 7,553.89 : x
  2. Step 2: Convert to fraction form
    8,213.21/12,334.59 = 7,553.89/x
  3. Step 3: Cross multiply
    8,213.21x = 12,334.59 × 7,553.89
  4. Step 4: Simplify right side
    8,213.21x = 93,174,199.01
  5. Step 5: Solve for x
    x = 93,174,199.01/8,213.21
  6. Step 6: Final answer
    x = 11,344.43

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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.