Home / 14,671.28-20,245.32-8,297.84

Finding the Fourth Proportional to 14,671.28, 20,245.32 and 8,297.84

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Solution

The fourth proportional to 14,671.28, 20,245.32 and 8,297.84 is: 11,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.28 : 20,245.32 = 8,297.84 : x
  2. Step 2: Convert to fraction form
    14,671.28/20,245.32 = 8,297.84/x
  3. Step 3: Cross multiply
    14,671.28x = 20,245.32 × 8,297.84
  4. Step 4: Simplify right side
    14,671.28x = 167,992,426.11
  5. Step 5: Solve for x
    x = 167,992,426.11/14,671.28
  6. Step 6: Final answer
    x = 11,450.43

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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.