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Finding the Fourth Proportional to 23,469.12, 35,203.65 and 7,897.68

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Solution

The fourth proportional to 23,469.12, 35,203.65 and 7,897.68 is: 11,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,469.12 : 35,203.65 = 7,897.68 : x
  2. Step 2: Convert to fraction form
    23,469.12/35,203.65 = 7,897.68/x
  3. Step 3: Cross multiply
    23,469.12x = 35,203.65 × 7,897.68
  4. Step 4: Simplify right side
    23,469.12x = 278,027,162.53
  5. Step 5: Solve for x
    x = 278,027,162.53/23,469.12
  6. Step 6: Final answer
    x = 11,846.51

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Similar ratio
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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.