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Finding the Fourth Proportional to 12,452.58, 18,679.95 and 6,609.06

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Solution

The fourth proportional to 12,452.58, 18,679.95 and 6,609.06 is: 9,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.58 : 18,679.95 = 6,609.06 : x
  2. Step 2: Convert to fraction form
    12,452.58/18,679.95 = 6,609.06/x
  3. Step 3: Cross multiply
    12,452.58x = 18,679.95 × 6,609.06
  4. Step 4: Simplify right side
    12,452.58x = 123,456,910.35
  5. Step 5: Solve for x
    x = 123,456,910.35/12,452.58
  6. Step 6: Final answer
    x = 9,914.16

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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.