Home / 14,382.20-19,847.72-8,716.76

Finding the Fourth Proportional to 14,382.20, 19,847.72 and 8,716.76

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Solution

The fourth proportional to 14,382.20, 19,847.72 and 8,716.76 is: 12,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.20 : 19,847.72 = 8,716.76 : x
  2. Step 2: Convert to fraction form
    14,382.20/19,847.72 = 8,716.76/x
  3. Step 3: Cross multiply
    14,382.20x = 19,847.72 × 8,716.76
  4. Step 4: Simplify right side
    14,382.20x = 173,007,811.79
  5. Step 5: Solve for x
    x = 173,007,811.79/14,382.20
  6. Step 6: Final answer
    x = 12,029.30

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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.