Home / 12,207.61-18,314.20-4,416.42

Finding the Fourth Proportional to 12,207.61, 18,314.20 and 4,416.42

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Solution

The fourth proportional to 12,207.61, 18,314.20 and 4,416.42 is: 6,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.61 : 18,314.20 = 4,416.42 : x
  2. Step 2: Convert to fraction form
    12,207.61/18,314.20 = 4,416.42/x
  3. Step 3: Cross multiply
    12,207.61x = 18,314.20 × 4,416.42
  4. Step 4: Simplify right side
    12,207.61x = 80,883,273.36
  5. Step 5: Solve for x
    x = 80,883,273.36/12,207.61
  6. Step 6: Final answer
    x = 6,625.64

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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.