Home / 14,961.11-20,645.40-8,246.79

Finding the Fourth Proportional to 14,961.11, 20,645.40 and 8,246.79

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Solution

The fourth proportional to 14,961.11, 20,645.40 and 8,246.79 is: 11,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.11 : 20,645.40 = 8,246.79 : x
  2. Step 2: Convert to fraction form
    14,961.11/20,645.40 = 8,246.79/x
  3. Step 3: Cross multiply
    14,961.11x = 20,645.40 × 8,246.79
  4. Step 4: Simplify right side
    14,961.11x = 170,258,278.27
  5. Step 5: Solve for x
    x = 170,258,278.27/14,961.11
  6. Step 6: Final answer
    x = 11,380.06

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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.