Home / 12,645.88-18,943.42-6,301.64

Finding the Fourth Proportional to 12,645.88, 18,943.42 and 6,301.64

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Solution

The fourth proportional to 12,645.88, 18,943.42 and 6,301.64 is: 9,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.88 : 18,943.42 = 6,301.64 : x
  2. Step 2: Convert to fraction form
    12,645.88/18,943.42 = 6,301.64/x
  3. Step 3: Cross multiply
    12,645.88x = 18,943.42 × 6,301.64
  4. Step 4: Simplify right side
    12,645.88x = 119,374,613.21
  5. Step 5: Solve for x
    x = 119,374,613.21/12,645.88
  6. Step 6: Final answer
    x = 9,439.80

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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.