Home / 9,623.21-13,272.68-6,644.03

Finding the Fourth Proportional to 9,623.21, 13,272.68 and 6,644.03

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Solution

The fourth proportional to 9,623.21, 13,272.68 and 6,644.03 is: 9,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.21 : 13,272.68 = 6,644.03 : x
  2. Step 2: Convert to fraction form
    9,623.21/13,272.68 = 6,644.03/x
  3. Step 3: Cross multiply
    9,623.21x = 13,272.68 × 6,644.03
  4. Step 4: Simplify right side
    9,623.21x = 88,184,050.88
  5. Step 5: Solve for x
    x = 88,184,050.88/9,623.21
  6. Step 6: Final answer
    x = 9,163.68

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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.