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Finding the Fourth Proportional to 18,365.22, 27,525.96 and 9,597.78

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Solution

The fourth proportional to 18,365.22, 27,525.96 and 9,597.78 is: 14,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.22 : 27,525.96 = 9,597.78 : x
  2. Step 2: Convert to fraction form
    18,365.22/27,525.96 = 9,597.78/x
  3. Step 3: Cross multiply
    18,365.22x = 27,525.96 × 9,597.78
  4. Step 4: Simplify right side
    18,365.22x = 264,188,108.37
  5. Step 5: Solve for x
    x = 264,188,108.37/18,365.22
  6. Step 6: Final answer
    x = 14,385.24

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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.