Home / 14,700.22-20,286.75-8,414.62

Finding the Fourth Proportional to 14,700.22, 20,286.75 and 8,414.62

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Solution

The fourth proportional to 14,700.22, 20,286.75 and 8,414.62 is: 11,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.22 : 20,286.75 = 8,414.62 : x
  2. Step 2: Convert to fraction form
    14,700.22/20,286.75 = 8,414.62/x
  3. Step 3: Cross multiply
    14,700.22x = 20,286.75 × 8,414.62
  4. Step 4: Simplify right side
    14,700.22x = 170,705,273.12
  5. Step 5: Solve for x
    x = 170,705,273.12/14,700.22
  6. Step 6: Final answer
    x = 11,612.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.