Home / 14,961.31-20,646.66-8,246.79

Finding the Fourth Proportional to 14,961.31, 20,646.66 and 8,246.79

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Solution

The fourth proportional to 14,961.31, 20,646.66 and 8,246.79 is: 11,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.31 : 20,646.66 = 8,246.79 : x
  2. Step 2: Convert to fraction form
    14,961.31/20,646.66 = 8,246.79/x
  3. Step 3: Cross multiply
    14,961.31x = 20,646.66 × 8,246.79
  4. Step 4: Simplify right side
    14,961.31x = 170,268,777.57
  5. Step 5: Solve for x
    x = 170,268,777.57/14,961.31
  6. Step 6: Final answer
    x = 11,380.61

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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.